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Does any body know where the idle control valve is on a 1997 grand prix? P.S Thanks mechanics online for the help yesterday..

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  • Cars & Trucks Master
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What engine? On either there are two connectors going to two different parts on the throttle body. The sensor directly across ffrom where the throttle cables are attached is the TPS ( throttle position sensor). The part under that is the IAC (idle air control) valve. Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!

Posted on Feb 19, 2012

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Posted on Jan 02, 2017

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SOURCE: location of heater control valve 2005 grand prix

i don`t think there is a heater control valve.you may have an air pocket in system.

Posted on Jan 06, 2009

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SOURCE: blower fan only works on high

CHECK THE HVAC CTRL FUSE.

WITH A TEST LIGHT CHECK THE BLOWER RESISTOR FOR POWER ON THE YELLOW, TAN, PURPLE, AND LIGHT BLUE WIRES. THE ORANGE WIRES CONTROL THE HIGH SPEED CIRCUIT. DO THIS FOR EACH POSITION OF THE BLOWER SWITCH.

THE BROWN WIRE ON THE HVAC CONTROL CONNECTOR 1 POSITION B COMES FROM THE HVAC FUSE 20 AMP. NO POWER ON THAT WIRE WILL CAUSE THE BLOWER TO NOT FUNCTION ON THE LOWER SPEEDS.

Posted on Jul 14, 2009

KCGTODAD
  • 169 Answers

SOURCE: 1997 grand prix gtp. Tire pressure/abs light

Hello! This indicates a fault with the wheel speed sensor/ABS sensor. Any major auto parts retailer can pull the details of this code (which sensor) for free, which will help you identify if the wiring is loose or damaged or if the sensor will need to be replaced. If you need to replace the sensor - you will need to replace the entire wheel bearing assembly, as the sensor is internal.


Thanks for using FixYa!

Posted on Nov 02, 2009

elshaddai159
  • 1016 Answers

SOURCE: 92 gmc 350 pickup....rough idle..have replaced MAP

This could be a couple of things:

  1. Check that you have not got any vacum leaks between inlet manifold and cylinder head.
  2. Check your spark plugs and HT leads are in good condition and not worn, reset gaps. If worn replace them.
Worse scenario is the head gasket make be leaking water into a cylinder. Get a cylinder leakage test done to verify any manifold air leaks or faulty sealing head gaskets.
Good luck, let me know how you get on.

Posted on Apr 02, 2010

bep86
  • 142 Answers

SOURCE: In my 2000 Saturn SL1 I am experiencing very high idle

You could try replacing the idle air control valve but I would obtain one from a local salvage yard, its cheaper and you are not certain if thats the problem, another thing i would check is your intake manifold gasket where it meets the cylinder head, if tha gasket is cracked or leaking it will allow excess air to enter the engine and make it idle higher, the easiest way to verify this is get a can of carb and choke cleaner and spray it all around the intake gasket area, if the engines idling characteristics change drastically then the gasket is bad and needs to be replaced if theres no change in the idle I would start looking for vacumm leaks and the idle control valve issue, which you specified.

Posted on Feb 14, 2011

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1 Answer

Pontiac grand prix problems


Clean throttle body and idle speed control valve.
Re- learn the idle speed control valve.

Dec 21, 2013 | Cars & Trucks

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My 1997 grand prix idiles high when you start it stays at 2to 3 grand on r.p.m


The most common causes of high idle speed is a faulty idle air control valve, a sticking throttle cable, or dirty throttle body.
It could also be a vac leak, but that usually does not come and go.

Apr 20, 2013 | 1997 Pontiac Grand Prix

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Why does my 99 pontiac grand prix gtp supercharge keep stalling


I would check the idle air control valve before replacing anything.
The computer regulates the idle speed by controlling the amount of air entering the intake thru the throttle body.
The valve could be faulty, or the throttle body can be gummed up.
Is the check engine light on ?

Sep 22, 2012 | 1999 Pontiac Grand Prix

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DTC Code 35 - 93 Grand Prix


Generally speaking, code 35 is a problem with the idle air control valve.
The valve is mounted on the side of the throttle body and controls idle speed by how much air is allowed into the intake manifold.

Sep 14, 2012 | 1993 Pontiac Grand Prix

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3100 V6 engine idling rough, power brakes are stiff


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May 03, 2012 | 1999 Pontiac Grand Prix

1 Answer

1997 Grand Prix GTP Supercharge - On a 'cold start' she powers when starting ignition, revs go up as normal, levels down to idle speed but then 'pluffs' out (dies). She used to start after 3 goes but it's...


Easy fix.

Mounted on the front side of the throttle body is the IAC, idle air control valve. It essentially is an electronic choke.
The pintle inside the valve gets gummed up with carbon deposits that get sticky when it gets hot enough...hence your problem after it's warmed up enough.

There are two devices mounted on the side of the throttle body. The IAC valve is the one mounted highest. Unplug it from the wiring harness, carefully loosen the bolts and pull it straight out. There will be a rubber O-ring gasket that will either come out with the valve or stay inside the valve mount. Don't lose it.
On the valve you will see a spring and a pintle. Use a toothbrush and alcohol to get it all clean. Then do the same procedure to the inside of the valve mounting hole on the throttle body. You may also use a can of throttle body cleaner.
Once you've removed all of the carbon deposit, reinstall the valve, with gasket, and plug back in. The position of the pintle doesn't matter when installing, just make sure to keep even pressure on the valve body against the spring so that the valve seats properly back into it's mount. There's only way that it will fit, it just has to seat flat so that it can't leak air.

When starting the car, don't press the accelerator. Turn the key to "run", pause for a few seconds and then start.

And ALWAYS run premium fuel in your GTP.

Mar 16, 2011 | 1997 Pontiac Grand Prix

3 Answers

I have a 97 grand prix gtp that will start but wont hold an idl


bad fuel pump.- just replace it and your good to go!

Feb 21, 2010 | 1997 Pontiac Grand Prix

1 Answer

Grand prix wont idle


There are 3 things that should be checked.
The idle air control valve (some call it a fuel bypass valve)
Throttle position sensor
and a fuel pressure test done. The idle air control is usually mounted on the throttle body, so is the tps which has a black plastic casing. good luck.

Jan 25, 2009 | 2002 Pontiac Grand Prix

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