Question about 1997 Chevrolet Lumina

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Will not idle above 4000 rpm, then idles irratically between 3500 rpm and 4000 rpm when accelerator is fully depressed

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It should not idle that fast anyhow. Normal idle is 750 RPM

Posted on May 13, 2010

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1 Answer

Engine cut out


Sounds like you may have fuel filter problem. you may want to check the pump and filters located in or near the fuel tank.
Go directly to the source ( Fuel Tank, Pump, Filters, Fuel Pressure Regulator and Injectors )
You may have water or grit in the fuel
Hope this helps

Mar 22, 2014 | GMC Sonoma Cars & Trucks

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2003 saturn l-series l300..I replaced throttle body and was still getting reduced power and started blowing controls b 10 amp fues when key was on so i traced it to the ecm/pcm. Replaced it and then did...


Disconnect the throttle body wire and restart,ECM replacement?Do you still have the old ECM?I belive the problem may not have resided in the ECM,When you get a reduced power its doesnt mean a bad ECM The purpose for reduce power is to protect the catalytic convertor,If there is a fault detected in the APP1 or the APP2 a reduce power is ordered.What mediates this is the TPS sensor APP1 goes high and APP2 goes low,If you have a 2003 ECM or saturn this is not a drop in ECM.Your particular year is CAN,means you need to flash it.

Nov 05, 2012 | 2003 Saturn L-Series

1 Answer

Hi i have a 2002 hyundai xg350l while driving the car accelerates without depressing the pedal further, in park when i reach 4000 rpm the rpm shoots up to about 4500 rpm without depressing the pedal...


I'd say sounds kinda like a missfire although with the absence of an engine code I would lean more towards a vacuum leak somewhere. Chk all your lines while cars running to see if you might have a vacuum leak.

Oct 23, 2012 | Hyundai Cars & Trucks

1 Answer

92 NISSAN WITH BOGGING AT 2800 3500 RPM AND AT LEVEL SPEED 4CYL AND 5 SPEED


For this types of problem,there are few help inks to troubleshoot the problem.Click the link below to go through the troubleshooting procedure to resolve the issues :----Idles rough and quits when gas pedal is pressed less? http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html-----------van idles rough? http://howtobyme.blogspot.in/2012/01/2004-ford-freestar-van-idles-rough.html
--------------runs lean and idles rough? http://technoanswers.blogspot.in/2012/02/ford-runs-lean-and-idles-rough.html
-----------Car still runs Rough after tune up? http://howtobyme.blogspot.com/2011/12/car-still-runs-rough-after-tune-up.html
------------Idle flair is noticed on car? Rough idle? car will not idle? Erratic idle speed? http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html
----------High rpm in neutral? Inconsistant high RPM in neutral? http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html
------------Engine Backfires? http://technoanswers.blogspot.in/2012/02/jeep-backfires.html----------- Nissan stalls and bucks on Acceleration?

http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

-----------
Nissan Pathfinder Backfires? http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-backfires.html
---------How to adjust rpm? http://schematicsdiagram.blogspot.com/2011/12/how-to-adjust-rpm-on-2009-dodge-charger.html
------------Engine cuts out at 3000 RPM? http://schematicsdiagram.blogspot.com/2011/12/engine-cuts-out-at-3000-rpm.html
----------This will help.Thanks.

Feb 17, 2012 | 1992 Nissan Pickup

1 Answer

Nissan Installed throttle reprogram


Here is the way to do it without the nissan scan tool. Make sure to follow all steps and it it best if you use a watch with a second hand.
1. Perform "Accelerator Pedal Released Position Learning".
a. Make sure that accelerator pedal is fully released.
b. Turn ignition switch 'ON' and wait at least 2 seconds.
c. Turn ignition switch 'OFF' wait at least 10 seconds.
d. Turn ignition switch 'ON' and wait at least 2 seconds.
e. Turn ignition switch 'OFF' wait at least 10 seconds.
2. Perform "Throttle Valve Closed Position Learning" .
a. Make sure that accelerator pedal is fully released.
b. Turn ignition switch 'ON'.
c. Turn ignition switch 'OFF' wait at least 10 seconds.
Make sure that throttle valve moves during above 10 seconds by confirming the operating sound. 3. Start engine and warm it up to normal operating temperature.
4. Check that all items listed under the topic 'PREPARATION' (previously mentioned) are in good order.
5. Turn ignition switch 'OFF' and wait at least 10 seconds.
6. Confirm that accelerator pedal is fully released, turn ignition switch 'ON' and wait 3 seconds.
7. Repeat the following procedure quickly five times within 5 seconds.
a. Fully depress the accelerator pedal.
b. Fully release the accelerator pedal. 8. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the MIL stops blinking and turned ON.
9. Fully release the accelerator pedal within 3 seconds after the MIL goes off.
10. Start engine and let it idle.
11. Wait 20 seconds.
12. Rev up the engine two or three times and make sure that idle speed and ignition timing are within the specifications.
13. If idle speed and ignition timing are not within the specification, the result will be incomplete. In this case, more test needs to be done.

Jun 24, 2009 | 2004 Nissan Sentra

1 Answer

Pontiac 200 Grand Am 3.4L V6 3000+ RPM


have you checked the engine for vacume leaks or advanced timing or even sticking accelorator cable or linkage? these are always a good place to start for excess acceleration

Apr 30, 2009 | 2000 Pontiac Grand Am GT

2 Answers

Irratic Idle


sound like your mash air flow sensor is gone on the tp sensor i had the same problem with mine

Mar 10, 2009 | 1994 Toyota Pickup

1 Answer

Stops while driving


this is usually due to a dirty throttle body. just beware if you do try to clean it you will need to preform the idle relearn procedure. this does work, ive done it personally.

A. Accelerator Pedal Release Position Learning Procedure.
1. Make sure that the accelerator pedal is fully released.
2. Turn ignition switch “ON” and wait at least 2 seconds.
3. Turn ignition switch “OFF” wait at least 10 seconds.
4. Turn ignition switch “ON” and wait at least 2 seconds.
5. Turn ignition switch “OFF” wait at least 10 seconds (how would you know if you get it right?)


B. Throttle Valve Closed Position Learning
1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch is “ON”.
3. Turn ignition switch is “OFF” wait at least 10 seconds.
Make sure that the throttle valve moves during above 10 seconds by confirming the operating sound (i never get this right because i never heard anything)

C. Idle Air Volume Learning (Throttle Position Learning)
It's best to time with a watch/clock.

1. Perform “Accelerator Pedal Released Position Learning”.
2. Perform “Throttle Valve Closed Position Learning”.
3. Start engine and warm it up to normal operating temperature.
4. Turn ignition switch “OFF” and wait at least 10 seconds.
5. Conform that accelerator pedal is fully released, turn ignition switch “ON” and wait 3 seconds.
6. Repeat the following (steps 7a, 7b) procedures quickly five times within 5 seconds.
7a. Fully depress the accelerator pedal (HARD)
7b. Fully release the accelerator pedal.
8. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the Check Engine Light (CEL) stops
blinking and turned ON.
9. Fully release the accelerator pedal within 3 seconds after the CEL is ON.
10. Start engine and let it idle.
11 Wait 20 seconds
12Rev up the engine two or three times and make sure the idle speed and ignition timing are within the specifications. (this is fine because SES light lets you know if you did it right the way it blinks)

Oct 25, 2008 | 2005 Infiniti G35

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