Question about 2002 Pontiac Grand Am

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1999 grand prix want stay crunk .If I remove hose that connects beside idle controll valve it will stay running for a little while

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That vacume hose you disconected is letting air into the intake tha IACV isnt it could be bad or clogged up with carbon try spraying some throttle body cleaner in there wth it running dont open the throttle but just a crack if that doesnt work it might need too be taken apart and cleaned

Posted on May 02, 2010


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1 Answer

Why wont car stay running

Because the idle of the engine is to low most likely a bad idle air control its a little sensor near the air duck hose on the throttle body itself it hapen that when the battery was disconnct or down good luck and please rate the answer

Jan 08, 2014 | 2004 Pontiac Grand Prix

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How to replace a thermostat on a 1999 pontiac grand prix

  1. Disconnect the negative battery cable.
  2. Lower the coolant level a bit.
  3. Follow the top radiator hose to the thermostat housing.
  4. I would just leave the hose on for this thermostat and go right to removing the two mounting bolts.
  5. Pull the housing up and clean the gasket off bothe sides of the gasket real well. Becarefull not to gouge the aluminum.
  6. Install the thermostat with the little "tip" facing up.
  7. Now put the new gasket and a little sealer on it too.
  8. Reverse the previous steps to finish the installation.
  9. When you get the antifreeze full remember to burp the system with that little bleeder valve on top.
  • see diagram below for a visual.


  • Hope this helps.

Nov 01, 2011 | 1999 Pontiac Grand Prix

1 Answer

Car wont stay running what could it be? no engine light no battery light no nothing just wont stay running

First check all the duct work around the engine..Like the air filter box,and all connections around it..If nothing found it could be your idle air control valve..Its located on your throttle body

Sep 04, 2011 | 2001 Pontiac Grand Prix

1 Answer

98 jeep GC limited, my jeep does not wont to stay crunk in the mornings when its cold outside i have to hold the gas down so the rpms run in 3000 till it finally keeps it self crunk. the altnator is good...

the iac ( idle air control ) needs cleaned or replaced. it controls the idling of vehicle. Also, try cleaning your throttle body. It's probably quite filthy. you can use carb cleaner to clean iac. but do not put body of iac in any liquid, just clean the valve on end. do not push it in they are preset for proper idle. have a good day !!

Mar 31, 2011 | 1999 Jeep Grand Cherokee

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May 03, 2010 | 1999 Pontiac Grand Prix

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Mar 19, 2010 | 1999 Pontiac Grand Prix

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1998 Pontiac Grand Prix shuts down in Drive or Reverse

When you remove your vehicle from park, the idle air control valve (electronic choke) operates to keep enough air going into the motor while you aren't using the throttle so it will stay running. If it is too dirty it can't move'll stall.
Pull out and clean or replace the idle air control valve.

Jun 10, 2009 | 1990 Pontiac Grand Prix

1 Answer

What are the symptoms of a faulty oxygen sensor?

bad oxygen sensor will make a car run rough.also mass air flow sensor egr valve sticking open or pvc valve open.idle speed control problems.have your car scan.because there are many sensor causes it to run rough.

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1 Answer

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