Question about 2003 Chevrolet Silverado 2500HD

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IDLE PROBLEM CHEVY 2500HD 2003

IDLES FINE IN PARK BUT WILL QUIT WHEN IN GEAR AND GAS PEDAL IS APLIED

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: 2003 Chevy 2500HD Dash Gauges not working

There are known issues with the gauges on the 03 silverado. Even though the cages appear analog, they are stepper motor controlled by the computer. This is a fancy way of saying digital. Check with the dealer about a recall! Since all gauges appear to have quit at one time I would agree with a previous post that the computer program is flawed. It may need to be reset - again check with the dealer.

Posted on Nov 10, 2008

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SOURCE: 2001 chevy sylverado 2500hd power steering and power brakes quit

check power steering fluid. first. if all good . power steering is going. your hydro boost brake system depends on the power steering pump if it goes out your brake go out.

Posted on Mar 29, 2009

wyatt1582
  • 453 Answers

SOURCE: surging and high idle on 94 silverado

If your idle is going from 500rpms to 1000rpm's fluctuating at and idle your EGR valve is probably carbon up and needs cleaned or replace.

Posted on Apr 22, 2009

  • 583 Answers

SOURCE: Rough low idle in gear when stopped at a light.

probable vacuum leak query brake booster

Posted on Jul 26, 2009

  • 82 Answers

SOURCE: my 2003 chevy impala idle high in park n when i

things to check: check for engine vacume leak
carbon build up at throttle body. idle air contoller maybe stuck due to carbon build up or defective

Posted on Mar 21, 2010

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1 Answer

Why does my 2003 chevy blazer cut out and try to die when I give it gas?


Take it to a repair shop

No one can guess at all the possible
problems it may have

Unless you work on your own vehicles &
provide test results & have a specific questions,
we can't do much for you

Jul 17, 2014 | 2003 Chevrolet Blazer

1 Answer

I have a 2003 chevy 2500HD. Idles fine in park but when in gear with foot on brake it almost dies. I changed plugs, fuel filter and air filter. No change. Any ideas?


I would check the cam sensor and maybe crank sensor...A common problem with those trucks...I fixed one of those trucks about a year ago doing the same thing and it was one of the sensors. Which one i could not tell you,i just replaced them both and fixed the problem....hope thjis helps and if so please rate my post and good luck....

Aug 16, 2012 | 2003 Chevrolet Silverado 2500HD

2 Answers

I have 1999Chevy suburban with 6.5 turbo diesel motor.it idles up and down and when driving the gas pedal is real touchy Wat is the problem and were do i locate the problem


Check the help links related to this problem.Click the link below to go through its troubleshooting procedure :-----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---------
Car won't start without hitting the gas pedal? http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-without-hitting-gas.html
-------Complete loss of brake pedal then all gets normal? http://repairhelpcenter.blogspot.com/2012/01/complete-loss-of-brake-pedal-then-all.html
------Car dies when gas pedal is pressed? http://schematicsdiagram.blogspot.com/2011/12/car-dies-when-gas-pedal-is-pressed.html
--------Pushing on the gas pedal, but the car slows down? Gas pedal to the floor and the car slows down?

http://technoanswers.blogspot.in/2012/02/pushing-on-gas-pedal-but-car-slows-down.html

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After replacing brake rotors and pads, brake pedal remains on floor? http://technoanswers.blogspot.in/2012/02/after-replacing-brake-rotors-and-pads.html

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accelerator pedal sensor? http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html

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For rough idle issues and problem troubleshooting,go through the help links provided below :----- van idles rough?

http://howtobyme.blogspot.in/2012/01/2004-ford-freestar-van-idles-rough.html

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will not idle when cold?

http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html

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runs lean and idles rough?

http://technoanswers.blogspot.in/2012/02/ford-runs-lean-and-idles-rough.html

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Engine stumbles coming off idle when warm?

http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html

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Erratic idle on car?

http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html

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Low idle when cold out side?

http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

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Idle Air Control (IAC) Valve Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html

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Engine quits at idle?

http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html

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Car overheats and Air blows hot at idle?

http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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This will help.

Thanks.

Mar 01, 2012 | 1999 GMC Suburban

1 Answer

2004 freelander hse erratic idle in park, fine in drive


Do you know what engine scan data is ? Disconnecting sensors is not the way to find a problem ! What is the computer seeing as data input signals . Is the vehicle in closed loop fuel control , is the EGR opening when it shouldn't be , Is the PCM controlling the idle air control valve or is the vehicle drive by wire (electronic throttle control ?
005 Idle Speed Problems Idle Air Control Test
007 Idle Speed Problems Scan Data for Idle

Jun 18, 2017 | Land Rover Freelander Cars & Trucks

1 Answer

I have a 03 chevy silverado and it jus die out at a red light of stop sign and sometime wen it idles


IF YOU SEE CHECK ENGINE LIGHT FLASHING. CODE SCAN COULD HAVE FAULTY TCC SOLENOID CAUSING TORQUE CONVERTER TO REMAIN LOCK UP.OR YOU COULD HAVE BAD IDLE AIR SPEED CONTROL.INTAKE LEAK EGR SOLENOID STICKING OPEN. COULD HAVE BAD PLUGS AND WIRES.BAD FUEL INJECTOR.CLOGGED FUEL FILTER.WATER IN GAS FUEL CONTAMINATED.

Aug 27, 2011 | 2003 Chevrolet Silverado 2500HD

1 Answer

Starts fine,idles fine,stalls when put in gear to drive away


Try depressing slightly the gas pedal to see if the engine continues to run when you put it in gear. Might have to depredd gas pedal and brake simultaniusly. if the engine continues to run, then the problem is in the idle circuit. Try decarboning the throttle body and the idle speed control.

Mar 26, 2010 | 1989 Honda Accord 4 Door

1 Answer

My 2003 chevy impala idle high in park n when i put it in drive it will go up to 40mph without being on the gas pedal


things to check: check for engine vacume leak
carbon build up at throttle body. idle air contoller maybe stuck due to carbon build up or defective

Mar 21, 2010 | 2003 Chevrolet Impala

1 Answer

1992 16V - idles fine, drives fine. Only when foot of the gas jer


idle air speed control valve(iac),too low idle or driveline problem like play in the drive shafts. if you put it in park and give it to say2500 rpm and let go of the throttle,does it return to 900rpm?if it dips down to 5 or 600 then to 900 the iac is bad.

Jul 13, 2009 | 1992 Volkswagen GTI

1 Answer

Rough idle 2003 f150


plugs or wires need replacing.

Jun 07, 2009 | 2003 Ford F150 Regular Cab

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