and Mars are the first ones to come to mind. Camshaft - mild Fuel pump - PWM with regulator Idle target - 800 AFR targets Idle 14. FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications Idle Air Control (IAC) - EFI Sensors - EFI Components. Under most circumstances, it will relearn after just driving the car for a while, but if your car continues to experience an abnormal idle, or you just don't want to wait for it to relearn on its own, you can try this procedure. I am a new to fixing code issues and could use some help. 6L LB7 diesel faster on cold mornings with BD Diesel's High Idle Kit. 7 Idle surging,stalling in the alt. Now onto my problem, I'm stumped. 234 Idle Hour Dr is a house in Lexington, KY 40502. Free Ground shipping in the continental US for orders over $200. it was still idling high 2,900 rpm. Disconnect the idle air adjustment valve and turn the idle screw. 7L - Problem Solved-----Da Problem-----Many thanks for helpful suggestions and insightful comments about high idle problem on my 88 Chev conversion van with the 5. February 22, 2013 — 1:56pm the vehicle fell into a high idle syndrome of some sort. The GM IAC has a pintle that extends or retracts into or out of an idle (bypass) air passage in a throttle body or intake manifold attached to the engine. IAC motor can stick and thus cause either hi idle, or very low idle with engine stall at stops. DIAGNOSE – ENGINE IDLES TOO HIGH. Things that might help with a p. At a full stop bring your engine RPM up to 1200 and you will know what I am have to deal with stopping at times. I too have a 96 CFI with the high idle problem. Alternator is definitely brand new. fast idle installation instructions for lb7 duramax. it was getn worse had to stop driving. The car has about 70,000 miles on it. You can either soldier the connection or you can crimp the terminal connector to the wire. Learn about this problem, why it occurs, and how to fix it. I have a 2003 chevy venture has high idle sometime no dtcs monitor pids tps % moves all over from 0% to 15% with out - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. 5TD VIN F, 4L80-E, 8 Lug, Heath reflashed PCM, top mount intercooler, homemade PMD cooler, #9 resistor, Autometer gauges, homemade manual boost controller with - set for 13PSI, hi-flow intake with Fram Boost filter, 3" SS downpipe, 4" straight back SS exhaust, 180 degree SS thermostats, high idle switch, ProComp add-a-leafs, mixed diesel additive, GM Enhanced OBD-II. Measure the clearance between the lever roller and the top of the fast idle cam using a feeler gauge. I'll start from the beginning. Early GM High Output Alternator (external voltage regulator) 100 Amp -- 80 amp idle (choose external or internal voltage regulator) Price includes delivery anywhere in Australia New Original Style Delco 10DN alternator as a higher output replacement alternator for the original factory units. Upon cold startup, it'll run anywhere from around 1200 up to around 1900 at idle, in park. i have a 1998 chevy astro conversion van with 183000 miles and when i start the car it stays with i high idle for at least 10 minutes no matter what the weather is. 3 W engine code. Restart the engine, and give it 12-15 degrees of advance at idle, and go for a spin. Was throwing a 0121 TPS code - after cleaning the code. 00 trying to find the problem for this. 5 acre lot and features 4 bedrooms and 2. GM ATK Complete Dress Engines. It's almost as if someone if stepping on the gas, but it will also randomly fix itself as you see at the end of the video. High readings thus indicate a possible bad sensor or short in the MAT circuit. 5 billion from General Motors. 2 following the 1993 model year. i put on a good used ECU today, with a PROM already in itcranked right up. However, you will save some money if you can source these from a salvage yard, with the mating connectors (which are GM #12162193). 00 Add to cart; 2011-2016 GDP Chevy/GMC Duramax LML DSP-5 SWITCH – GREEN W/HIGH IDLE EFI LIVE/EZ LYNK GDP411018 $ 218. With a cam the idle usually needs to be higher on auto. It has safety controls designed to prevent moving the truck once the RPM has been set. Chevrolet Cars, Trucks, SUVs, Crossovers and Vans. By driving it without enough coolant you probably put air in the system. 1A Auto has many aftermarket IAC Valves for your Chevy Monte Carlo and ground shipping is always free!. Things that might help with a p. - still not a fix to my high idle though, so I just put my old TB back with new gaskets ofcourse and picked up a brand new IAC valve- After re. I have read the code descriptions - P0404 Exhaust Gas Recirculation Circuit Range/Performance and P0405 Exhaust Gas Recirculation Sensor A Circuit Low. Add water until at the OK level. I have a 2000 chevy silverado with a very high (1500rpm) idle. 5-2006 Chevy/GM LLY Duramax Diesel equipped 2500 & 3500 trucks, by PPE. So I ended up replacing the lower intake gasket with the improved metal gaskets. 5 MILLION GM Truck Enthusiasts every month who use GM-Trucks. 3 l v6 standard ,with high idle even after being warmed up. Buy BD Diesel Performance 1036605 High Idle Control Kit: Idle Air Control Valves - Amazon. If you want to be pedantic, it's the mass of the fuel (not the volume) which is the critical factor. GM calls UAW workers back to plants, targeting truck assembly first. This is what I have done to date: Replaced IAC, MAF, TPS, Fuel pressure regulator, PVC valve. Camshaft - mild Fuel pump - PWM with regulator Idle target - 800 AFR targets Idle 14. These engines are known for intake manifold gaskets leaking coolant into the intake. 1200 - 1500 RPM with slight power while coasting w/o brakes applied and no throttle is normal. Chevy Truck High Output Charging System for Most GM Trucks. Got all the timing and stuff square, but don't know what the correct idle speed is. 4L V6 equipped car (Buick, Chevrolet, Oldsmobile, Pontiac). and replaced the carb gasket and vac lines. Impala - 2008 Impala High Idle, code P0507 - I have this problem with the 2008 Impala, V6, 3. The PPE High Idle/Valet Switch allows for the engine idle to be set at 3 predetermined points (between 750 rpm and 1,800 rpm) to facilitate faster engine warm-ups, electrical system charging or even just to have the A/C or heater working at its optimal capacity. Iconic, eye-catching and impressively equipped from end to end, your Chevy Impala is an undeniable American automotive icon. Pay attention to low idle or stalling. when engine warms up, the idle rpm rises to 1700-1800 rpm. Hey guys, lately my truck will randomly kick up the idle in park to around 1200 rpms. High Engine Idle So, What can cause abnormally high engine idle speeds. I have a 2003 chevy venture has high idle sometime no dtcs monitor pids tps % moves all over from 0% to 15% with out - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. I disconnected the battery for 10 mins. So here is what's going on and if anyone has had the same issue and it has been resolved I would love to know what you did. But NO ONE, and this includes the Chevy dealer, could find the problem. 059 in) away from the engine centerline. The check engine light may also come on, with codes P0300, P0171 and PO174. To dummy down the bold section, you are looking for any type of leak, be it a vaccuum hose, intake gasket, leaking injector seal @ manifold, or fuel pressure regulator. High Idle 13 Answers. Clean it thoroughly and then take it on a test drive. I drive a 2004 Chevy Aveo. A vacuum leak on a fuel injected engine will cause high idle. He replaced the IAC and found no change. After the truck is warmed up it will idle high after driving it and then putting it into park it normally idles at 600 when warm but now it will be close to 1000 or sometimes a little higher. Chevy TBI high idle speed - why? I have checked all vacuum hoses, made sure the accellerate cable is free etc. Seriously though, what you are describing is pretty 'normal' behaviour for the 3. After all this my car idles 1400+ all the time. Usually run my idle on 350 at 700 RPM and up. Replacing the TPS and the IAC on the 91 GMC C3500. 7 – Misfire & High Idle Complaint puertoblack2003 Jul 08, 2018 23 Comments In this video we have a look at a Chevy Tahoe that came in with a customer complaint of high idle and misfire after the vehicle warms up. I have read the code descriptions - P0404 Exhaust Gas Recirculation Circuit Range/Performance and P0405 Exhaust Gas Recirculation Sensor A Circuit Low. By driving it without enough coolant you probably put air in the system. I just installed a new fitech TBI and have had no problems for almost 2 months. Re: 2004 Pontiac Grand Am high idle problems This may be totally off base but I inadverntently ruined the oxygen sensor in my Caravan by using carb cleaner. codes where misfire #5,and the iac. Chevy Equinox P0507 Causes and Diagnosis. Extremely high idle I've done a lot of searching on the forum and am aware of the "900 idle club" lol and have a list of possibles to check, but I think my issue may be more serious. Still playing with this. Trouble Code 25 indicates that the Manifold Air Temperature sensor is reporting abnormally high readings. Just to recap, my rig would idle at 1700 ish even after it was up to temperature. Outstanding Performers We began by bolting on an Edelbrock Performer EGR intake but with the EGR blocked off. Total System PAG Oil Capacity 8 ozs. Chevy Cobalt is stuck on high idle. - done all the basics and even replaced the idle valve - but still the idle is too high - Cheyenne P/U 1989 - 305 small block with TBI injectors. Check with the unisyn and readadjust. High Idle after cleaning throttle body on 06 Chevy Cobalt LS. i cleaned the throttle body replaced the iac. Start engine & see if it still idles high. or to much air entering the system through the throttle body. I have a 1989 chevy 4. Most compression BBC's like lots of initial/low end spark advance. The high idle was a vacuum leak - the gasket between the TBI and the intake manifold was bad. There is a history of ERG pintle proformance problems and many were replaced with low miles on the vehicle. vehicle is new to me. We offer vehicle-specific IAC valves designed with your make and model in mind, whether you're looking for an idle air control valve for Nissan Altima or a Ford Focus idle air valve. GM OBD1 Diagnostic Trouble Codes & Cures This General Motors Corporation OBD I diagnostic page explains the codes, the most probable cause and what conditions are required to set the code. Install the AD244 type Large Body High Output Alternator in place of your small body 100-105 Amp AD230 on 1999-2009* GM vehicles. important: before ordering, please double check your gm idle air control motor to see if it's threaded or if it's non-threaded, smooth. Some of the causes are super cheap to repair; others are serious bank breakers. by Kyle McFadden. idle 2 Answers. 5L GM/Detroit Diesel 6. The factory-original fit and lasting function of AC Delco's OE replacement idle solenoids provide the perfect repair without breaking your budget. The idle circuits in a GL1000 are ridiculously small, so slight problems are greatly magnified. It has an excessively high idle speed. Carburetor Idle is too high - Chevy Message Forum - Restoration and Repair Help. It turned out that the idle checked out to be at the specified 975 rpm (high for most motors, but I was told this motor with the ASA cam was programmed to that rpm). General Description. 350 small block knock at idle rpms i have a chevy 350 small block that knocks at idling rpms. I'll start from the beginning. There are three documented calls (since 1994) to the GM Tech line of a high idle after an oil change with the 3800 engine. It actually helped. Alternator is definitely brand new. High-grade design delivers extended lifespan. To summarize, the solutions for a lazy / slow return to idle (or erratically high idle) are: Eliminate vacuum leaks; Perfect ignition. Learn what does P0507 Chevrolet Idle Speed High means, location and how to repair? The Idle Air Control (IAC) valve is a Powertrain Control Module (PCM) controlled stepper motor located on the throttle body. The TPS, PCV , fuel filter, fuel pump assembly, and charcoal canister was replaced after vacuum hoses were repaired. Everything has to be on-spec for proper performance. The PPE High Idle/Valet Switch allows for the engine idle to be set at 3 predetermined points (between 750 rpm and 1,800 rpm) to facilitate faster engine warm-ups, electrical system charging or even just to have the A/C or heater working at its optimal capacity. I have since swapped out the air idle control valve and the throttle position sensor and the high idle went bi-polar on me and now the idle is so slow it won't stay running. Caused quite a problem if it stuck while driving along and you go to stop or slow down from 50 mph. 5-2006 Chevy/GM LLY Duramax Diesel equipped 2500 & 3500 trucks, by PPE. I knew it when I replaced the sensor with the original that I had stored (I always keep the replaced part if it was not a problem but wasreplaced due to mileage/time). I have a 2000 chevy silverado with a very high (1500rpm) idle. How to Clean a Throttle Body and Idle Air Control ( IAC ) Valve - Quick and Easy - Duration: GM 3400 / 3100 3. 5 Cruise 14. I was going to perform a cylinder leak down test since these 3400's are known to blow head gaskets but I figured if compression loss was the case it would. It won't flucuate around, just stay at one level, but that level varies with each time you start it up. Whether you have a Chevrolet Suburban, Blazer, Camaro, etc. The first issue was a hole in a short, S-shaped hose that goes from the the air bleed valve on the top of the wa…. Chevy Forums FREE technical assistance for your restoration and repair. These engines are known for intake manifold gaskets leaking coolant into the intake. It did it at night, all the way home until it shut off. And it doesn't need to be stuck far to get a 3400 to rev up. Off Road/Jeep. 7 Idle surging,stalling in the alt. GM calls UAW workers back to plants, targeting truck assembly first. Featuring Cover Hydraulic Shocks Idle available for sale here! Gm Heater Coolant Pump 13597899 - $178. There is a history of ERG pintle proformance problems and many were replaced with low miles on the vehicle. A neighbor of mine has tried to get it done, but every dealer first gives him crap about it, and then wants to charge big money to do it. I took the van to. The E38 and E67 ECUs use a torque value for Throttle Follower function rather than airflow values as used by the older GM ECU's. Engine is a TBI 454 7. Mine was actually caused from the throttle body gasket. To summarize, the solutions for a lazy / slow return to idle (or erratically high idle) are: Eliminate vacuum leaks; Perfect ignition. 1989 cadillac seville. Once you do that, figuring out the correct solution to high engine idle won't take long. Since your problem is occurring at low engine idle, this is definitely a possibility. They have a 3 / 4 " hex. 2003 Chevy impala intermittently idles high until i disconnect the tps - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. I have spent almost $1000. Fitment Notes: Merchant Automotive LLY High Idle Kit - 04. Seriously though, what you are describing is pretty 'normal' behaviour for the 3. The current readings are about 1000-1100rpm cold and 600-700rpm warm. High idle blamed on IAC (idle control motor). These idle up speeds may occur with no input from the customer. in the chilton book it tells you idle is autmaticly adjusted through the computer so thers not a hell of alot you can do it about it but it says if absolutely needed you can remove this seal behind the stop screw. Engine idle speed is high Inspection Service What is engine idle speed and how is it maintained? Engine idle speed is the speed, measured in revolutions per minute (RPM) an engine is designed to run at when the engine is fully warmed up and the vehicle is stopped in park or neutral. (RPM Too High) - vacuum leak - GM - Duration: GM Idle Air Control IAC Function, Diagnostics and Repair Wells VE. High-grade design delivers extended lifespan. NOV 2015-- General Motors (GM) is recalling certain model year 2013-2014 Chevrolet Silverado HD, Chevrolet Express, and GMC Sierra HD vehicles, and model year 2013 GMC Savana compressed natural gas (CNG) vehicles that fail to comply with Federal Motor Vehicle Safety Standard No. Shop Chevy LS V8 Camshafts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. I thought the throttle body gasket may be the culprit so I sprayed carb cleaner while the engine was running around intake gasket and throttle body gasket to check for possible. 3 liter S10 idle problem? So when I start it up it idles from 1500 to 2000 rpms in park or neutral. High Engine Idle So, What can cause abnormally high engine idle speeds. I wanted to tell you what I did about it, and I am passing tid-bits from others. I have the instructions that GM Upfitter sent me if you're really interested. I put a new thermostat in and it never had the high idle problem again. SYMPTOM SUMMARY The engine idles too high. GM OBD1 Diagnostic Trouble Codes & Cures This General Motors Corporation OBD I diagnostic page explains the codes, the most probable cause and what conditions are required to set the code. If you want to be pedantic, it's the mass of the fuel (not the volume) which is the critical factor. idled down to 750but the thing ran like crap from 1000 to 2000 rpms. I get a P0507 DTC. Engine is a TBI 454 7. The table below will help you select the right camshaft for your Pontiac engine. 5 bathrooms. Upon installation and driving 10 to 15 miles, the engine MIL fault light came on. I cleand the throttle body with crc throttle body and intake cleaner. I've read from 425 to 900. The PPE Diesel 1110022 High Idle Valet Switch 2004. Re: Durability of GM LA1 3400? The 3. (only DTC) 2) Put on the VCDS, with a cold engine at idle (78 Deg. cant get to idle correctly. Mine was actually caused from the throttle body gasket. That depends on the air/fuel ratio that is used, but a good rule of thumb is to divide this flow figure by 5 to get a hp capability. 5 cu in) LV3 V6 is a new engine announced by GM at the end of 2012. And it doesn't need to be stuck far to get a 3400 to rev up. The truck turns mid to low 13 seconds in the quarter and 0 to 60 in 4. See All Idle Control Valve for Chevy Express_3500 Let the people with 12+ years of experience in finding and buying car parts help you find the best Idle Control Valve for your Chevy Express 3500. I'm going 2 run a vacuum pressure test on it and c if that could b it prob. Hello, My question is what could cause a high idle? I have a 95 Chevy pickup 4x4 with a 5. of torque at 3900 rpm. I am a new to fixing code issues and could use some help. When starting the engine cold, the idle will jump up to 1500-1900 RPM, drop to 1100-1300 RPM, jump up again 100-200 RPM, then finally drop to the correct idle speed. I had to bump the idle of the truck up just a bit, probably less than 100 more rpm. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. A neighbor of mine has tried to get it done, but every dealer first gives him crap about it, and then wants to charge big money to do it. I cleaned the idle air control valve and the problem was fixed again. At times the idle is high and it pulls the car. Chevy Equinox and Traverse Questions and Answers. I tried to fine tune the VE and MAF. Two or three high idle speeds (900-2400 RPM) allows utmost precision and control. So the throttle was acting as if it was getting stuck right around the 2000 RPM mark here and there. If you are having a high idle problem check for a vacuum leak or a bad idle air control valve. It has safety controls designed to prevent moving the truck once the RPM has been set. Shop for an idle air control valve at your local AutoZone store or online, and benefit from our customized selection. Auto-Ranging DMM $34. Limped home with the truck under what seemed like constant 20 percent throttle while in gear by itself. 1L V6 of the late 80s/early 90s. I have read the code descriptions - P0404 Exhaust Gas Recirculation Circuit Range/Performance and P0405 Exhaust Gas Recirculation Sensor A Circuit Low. Your engine is perfectly normal. 2002 buick lesabre GM 3800 series 2 high idle issues by Christian33i | July 15, 2019 9:18 PM PDT Have this buick with 3800 engine… 02 lesabre. The Idle Air Control Valve is often not the cause of the code. And it never would go n low gear or od then the trans went out and i put a new 4T60e trans in and it still doing the same thing. XDP carries all the parts and accessories you need for the best diesel performance. High idle CAN be added by your dealer by requesting a new program from GM. 2800 ST/3400 ST Advenger ® Adgressor™ SC6000™ SC6500™ SC8000™ SWEEPERS Terra® Proterra™ SW900™ SW900™ Commercial SW4000™ SW5500™ SW8000™ Terra® SWEEPER-SCRUBBERS CS7010 7765 VACUUMS Canister Adgility™ Euroclean GD930 VP300 VP600™ Upright ReliaVac™ VU500™ Spectrum™ CarpeTriever™ Wet/Dry VL500: CARPET EXTRACTORS. Perfect for use in cold weather or in applications where a PTO is needed, this switch taps into factory wiring and provides multiple idle speeds. I have taken it to a half a dozen mechanics, promising me that they could find the problem. The troubleshooting procedure for high and low idle conditions are similar, which are included in the following: Difficulty Scale: 4 of 10 Step 1 - If the check engine or service engine light soon has illuminated retrieving the diagnostic trouble codes could lead you in the right direction of what the problem is, or is related too. 6L LLY 888-966-6543. Packed it up and took it back to the Home depot. I am assuming your carb has an electric choke. 0L style (65mm through 105mm) throttle body. In the case of GM vehicles (and possibly others) if the idle speed is over 200 rpm higher than expected, this code will be set. I still had the gasket from the previous engine and throttle body, so I threw it on there to see what would happen. Disconnect both batteries 2. 3 l v6 standard ,with high idle even after being warmed up. What you need to do to resolve your problem is an easy fix. I've noticed a few times now when it is really cold, my car will idle at around 1200-1300 rpm for extended amounts of time. These are 100% BRAND NEW so there is NO CORE CHARGE. City-Data Forum > General Forums > Automotive: early 90's GM 3. By driving it without enough coolant you probably put air in the system. The PPE High Idle/Valet Switch allows for the engine idle to be set at 3 predetermined points (between 750 rpm and 1,800 rpm) to facilitate faster engine warm-ups, electrical system charging or even just to have the A/C or heater working at its optimal capacity. 2002 Chevrolet Malibu Has A Very High Idle 2002 Chevy Malibu w/3. no check engine light on, about 270K kilometers on the clock It did it the other day while plowing, and stayed idling high most of the day, but seemed to act normal for the last hour or two that I was out. This happen when idle or, when let off the gas while driving, ie braking. However, you will save some money if you can source these from a salvage yard, with the mating connectors (which are GM #12162193). It does this whether truck is cold ar warmed up. G-VAN / GMT610 LGH IDLE SPEEDS. High idle CAN be added by your dealer by requesting a new program from GM. Cleaning the throttle body allowed more air to enter the engine, and the computer is compensating by adding more fuel. Most would begin with having a scan tool to read engine parameters and time to learn how to interpret them. Whether you want more low end grunt on the street or more high RPM power at the track, we have the performance camshaft that’s right for your Chevy 3400. Faster engine warm-ups Easy to install switch that will activate the high-idle mode on the Duramax engine for cold weather or PTO. Idle seemed a bit to high all the time. We try to outfit the engine as completely as possible to save you time and headaches. That makes it the most powerful naturally aspirated 6. High Idle 13 Answers. 25 ring and pinion, automatic transmission with stock. Many things can cause a misfire, low compression, secondary ignition, fuel delivery. 39 Add to cart. 1971-72 Models [cf2]Adjust with air cleaner installed. High idle was an option, it involves grounding a pin in the ECM(behind the glove compartment)with a switch in the dash. The tuner indicated he'd run into this before, and the problem was it took too long to return to the idle rpm with no throttle. Alternator is definitely brand new. 1L V6 of the late 80s/early 90s. Very strange idle/drive issue with high RPM. got it with a high idle issue. There is a history of ERG pintle proformance problems and many were replaced with low miles on the vehicle. Check with PennTex to see if your later model GM or Ford vehicle will support a High Idler system. Hi Just wondering if a high idle switch is worth the 250 \$. Re: 2004 Pontiac Grand Am high idle problems This may be totally off base but I inadverntently ruined the oxygen sensor in my Caravan by using carb cleaner. The troubleshooting procedure for high and low idle conditions are similar, which are included in the following: Difficulty Scale: 4 of 10 Step 1 - If the check engine or service engine light soon has illuminated retrieving the diagnostic trouble codes could lead you in the right direction of what the problem is, or is related too. 1A Auto has many aftermarket IAC Valves for your Chevy and ground shipping is always free!. Check and make sure the air. 2006 Chevy 3500 High RPM Engine Code P0507 Customers Vehicle: 2006 Chevy G3500 Express (Box Truck) Code P0507 - Idle Air Control System RPM Higher Than Expected. I used a heater hose and a spark plug boot for the lower one with the 90 curve since that was the only thing wrong with it and I got the ideas from this forum, thanks for that one the hoses went on fine. I thought the throttle body gasket may be the culprit so I sprayed carb cleaner while the engine was running around intake gasket and throttle body gasket to check for possible. If it does not idle, you are looking for a problem with IAc. I have worked for GMC as a tech in the past during the years this truck platform was sold. Once you do that, figuring out the correct solution to high engine idle won't take long. The HIC 700 Voltage Monitor is used in conjunction with the factory Fast Idle function on GM C-series medium duty trucks to automatically engage a High Idle when insufficient alternator output causes the battery voltage to drop. Idle is around 800-850 rpm once warmed up. The General Motors 60° V6 engine family was a series of 60° V6 engines which were produced for both longitudinal and transverse applications. - Automotive Fuel & Air System Intake Manifolds Chevrolet Big-Block Carburettor Hi-Ram. driving down the road it does fine, never sputters or struggles, but once i stop at a light it starts the rough idle. Do it yourself information page. Hi, I am having a problem with my chevy 350 engine that I just installed back in August. I have a 95 Chevy K1500, 350 auto with about 279,000 miles. The Idle Air Control Valve is often not the cause of the code. 5 Cruise 14. 3 v6 5 speed manual 63,000 miles Driving on the highway I downshifted while braking for a ramp and all the sudden my engine idle got stuck between 3800 and 4300 rpms. I still had the gasket from the previous engine and throttle body, so I threw it on there to see what would happen. At times the idle is high and it pulls the car. We provide incredibly reasonable prices on quality parts. Unless I'm mistaken, it seems that when the motor is warm, its at the high end of the range; and on a cold start, it's at the low end. Find many great new & used options and get the best deals for IAC Idle Air Control Valve For Buick Chevy GMC Van Pickup Pontiac Cadillac Olds at the best online prices at eBay!. The HIC 700 Voltage Monitor is used in conjunction with the factory Fast Idle function on GM C-series medium duty trucks to automatically engage a High Idle when insufficient alternator output causes the battery voltage to drop. Ls1 Tuning Help High idle with new intake and Throttle body Okay so here's the skinny on what's going on with my project, I got it tuned for a thunder racing 3798R camshaft and 243 heads, and headers and exhaust. Part numbers 1110018, 1110020, & 1110022. I cleand the throttle body with crc throttle body and intake cleaner. 5 liter that has a high idle? - Chevrolet 1989 S-10 Blazer question. The PPE Diesel 1110022 High Idle Valet Switch 2004. All of these engines are 12-valve cam-in-block or overhead valve engines , except for the LQ1 ; which uses 24 valves driven by dual overhead cams. Welcome to the Chevy Check Engine Light codes page. This time, I. 1A Auto has many aftermarket IAC Valves for your Chevy Monte Carlo and ground shipping is always free!. (Photo: Patricia Beck, Detroit Free Press) The UAW's 40-day strike against General Motors had an impact. It actually helped. That makes it the most powerful naturally aspirated 6. I replaced head gaskets, intake manifold gaskets, timing chain and sprockets, including the timing gasket. I cleaned the idle air control valve and the problem was fixed again. Re: High Idle/possible run away acceleration Could be a possible good old fashioned vacuum leak as well. Replied by DFRanger on topic GM 3400 mystery misfire You know maybe a quick health check with a vacuum gauge may help possibly point to an area we haven't thought of. GM throttle body relearn procedure How to do a GM throttle body relearn procedure. A throttle body cleaning is likely to cure the high idle speed as well. Posted to Technical Theory Forum on 8/16/2013 14 Replies. Model specific subject matter experts, classified ads and more. High idle was an option, it involves grounding a pin in the ECM(behind the glove compartment)with a switch in the dash. It does not stop even when it warms up. Subject: High Idle on GM 5. com, Me, Caffeine, hookdonspeed, Kaiju Senso. 6L LLY 888-966-6543.