Question about 1999 Chevrolet Tracker

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How to adj idle speed 1998 chevy tracker... now idl is 1500

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

emissionwiz
  • 75005 Answers

SOURCE: 1999 Chevrolet Tracker low idle problem when cold

Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Posted on Feb 12, 2009

  • 14 Answers

SOURCE: 1998 chvy 1500 loses power

check the intake gaskets. in the middle front and middle rear. If they are oily, it more than likely sucked part of the gasket in. When it warms up the leak gets bigger. The easy way to check is to get some carb cleaner and spray all around the intake while idling and warm. DO NOT SPRAY ANY EXHAUST PARTS , carb cleaner is combustible. The truck should stumble or even shut off when spraying with the carb cleaner if there is a leak.

Posted on May 03, 2009

  • 8 Answers

SOURCE: I know What the codes mean and how about going to fix them but will that also cure the high idle speed of 1600 rpm in neutral also the hose that goes from the air intake to the passenger side valve co

could be your tps sensor needs to be adjusted or a vacum leak(intake maybe)

Posted on May 31, 2009

jeffbvegas1
  • 520 Answers

SOURCE: 1991 chevy extended cab 1500 with a 350 it

Possible deposit buildup in the throttle body and specifically the IAC (idle air control chambers).This causes disturbance and your systems ability to control air/fuel mixtures at near idle conditions .Perform service, recomending removal of the IAC valve and cleaning with an O2 safe injection cleaner.3M makes a very good line of products including 3M"do it yourself" fuel system tune up pn#8963.Also verify proper EGR operation and no sticky valve or build up there.....good luck

Posted on Jul 23, 2009

  • 540 Answers

SOURCE: 2000 CHEVY EXPRESS 1500 4.3L V6 ENGINE STALLS AT

need to run a fuel pressure test.. plugged fuel filter, and defective fuel pumps are common on this vehicle..

Posted on Nov 29, 2009

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1 Answer

Run away vehicle-99 chevy blazer wants to accelerate to 1500 rpm,braking will bring idle back down. What's problem?


In most cases problems with idle speed involve the idle air control valve or a dirty throttle body. The computer controls idle speed by how much air is allowed into the intake thru the control valve.
If the throttle is not sticking, I would check the valve and the bore of the throttle body.
You could also have a vac leak but that would usually be a constant problem.

Sep 19, 2012 | 1999 Chevrolet Blazer

1 Answer

How do I adjust throttle cable on 1989 chev c2500 to raise idle speed throttlebody injection


Can't adj..clean your IAC. Idle Air Control valve, or possibly replace it. The Computer adj's you idle by this valve moving in and out, it gets carboned up and does'nt move like it should.

Feb 13, 2012 | Chevrolet C2500 Cars & Trucks

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How do you increase the idle speed on a 200 chevy silverado 1500 fuel injection 4.8 LT


the computer decides idle speed. take the big air hose off that goes from the air cleaner to the engine and clean the throttle body with carb cleaner and a toothbrush,open the throttle to clean it good. you may have to turn key on and depress the gas pedal.

Sep 22, 2011 | 2001 Chevrolet Silverado 1500

1 Answer

I have a 1990 Tracker. When cold it idles very high, 2300 RPM, then goes to a surging idle as it warms up< 1400 to 2000RPM, then after it is warm it idles nicely. How do I reduce the idle when cold...


sounds like the idle air control sensor is bad or it could be the idle speed control sensor(module) both can be found on the throttlebody. but to be sure you can take the car to auto-zone and they will run a free diagnostic even if you dont have a check engine light there still may be a code stored.

Aug 22, 2010 | 1998 Chevrolet Tracker

1 Answer

2002 Chevy Tracker will not idle


I would start with a new fuel filter and some new spark plug wires.

Jul 10, 2010 | 2002 Chevrolet Tracker

1 Answer

Chevrolet tracker 2001 - started driving so that


Run a vacuum test. Start motor and try to rev a little. If the vacuum drops it could be a plugged cat or muffler, some type of exhaust restriction. Vacuum should pull steady at 15 to17 inches at idle. This is just one possibility.

Jun 01, 2010 | 2001 Chevrolet Tracker

3 Answers

What is the idle speed for a chevy express 1500 2005 at the time of a tune up.


you never adjust the idle speed, it is computer controlled, if there is a problem then you must clean or replace the idle speed control valve and the throttle valve (clean only), final idle speed with a clean control valve is around 575 RPM

Nov 04, 2009 | 2005 Chevrolet Express

2 Answers

1993 geo tracker engine idels high all the time


you need to post
8vlave
or 16valve motor

they can be either.

but there are 50 things that can kill idle.
air leaks
ISC valve stuck
ignition timing too far advanced a idle.
and many more
tell more , get more.

Feb 18, 2009 | 1993 Geo Tracker

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