Question about 1993 Pontiac Grand Prix

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MOTER STALLS WHEN AT RUNNING TEMP AND IDEL

I HAVE A 93 GRAND PRIX 3.1 LITTER IT RUNS GREAT IN THE MORNING BUT AFTER THE MOTER WARMS UP IF I COME TO A LIGHT OR STOP FOR TO LONG THE MOTER STALLS AND I HAVE TO RESTART IT AND KEEP THE RPMS UP TO ABOUT 13OO TO KEEP IT RUNNIN G BUT IT ONLY DOES IT AT IDEL

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Unhook the overdrive and see if it stalls. If it doesn't stall after unhooking the overdrive, have the the transmission fluid changed and hook the overdrive back up and it will run fine. I had the same problem.

Posted on Apr 19, 2009

  • inarush247 Apr 19, 2009

    Unhook torgue coverter (overdrive). Fuel mpg will not be as good with overdrive unplugged but at least this way you can confirm that the problem is the transmission fluid needs changed.

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Check for:

  1. a bad coolant temp sensor
  2. a bad crankshaft position sensor
  3. low fuel pressure
  4. a failing map sensor
  5. a failing intake air temp sensor

Posted on Apr 13, 2009

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Its vapor locking try leaving the fuel cap a little lose!!!!

Posted on Apr 13, 2009

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1 Answer

Why is my Grand Prix surging/stalling when ideling?


If you did not disconnect the battery and drain the voltage from the ECM, it could be using old settings when the problem existed.
When a problem occurs, the computer tries to correct it or find new settings to work around the problem. When you fix a problem you have to clear the codes and sometimes erase the memory from the computer to allow it to start back at the factory settings.
When you disconnect something and the check engine light comes on, the computer goes into limp mode and uses values for the sensors preset by the factory. The car will almost always run rich to ensure the driver can get back to a place for repairs.

Aug 23, 2012 | 2000 Pontiac Grand Prix

1 Answer

My 1999 grand prix stalls and dies at stops.


My Pontiac Grand Prix is also a 99, it has 216,+ thousand miles on it, it runs great, idles good, I need to replace the oxygen sensor tho as it shuts off on me while driving or sometimes coming to a stop. You might try checking the fuel filter and pump as well.

Apr 17, 2010 | 1999 Pontiac Grand Prix

4 Answers

My 1993 pontiac grand prix with the 3.1 engine stalls when it idles at a stop light but it starts right back up. it has plenty of power. we changed the o2 sensor did the vaccum leaks and ths spark plugs....


The next thing to try in regards to the stalling would be to change out the Throttle Position Sensor this sensor is the usual cause of this symptom.

Nov 05, 2009 | 1993 Pontiac Grand Prix

1 Answer

99 Grand Prix GT stalls when MAF is connected


I RAN INTO THIS BEFORE TRY THE IGN MODULE UNDER THE COILS WHEN THEY HEAT UP CARS QUIET AND DO NOT START

Jul 27, 2009 | 1999 Pontiac Grand Prix

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No idel after letting sit over night


CHANGE FUEL FILTER CHECK YOUR UPPER AND LOWER INTAKE GASKETS OR THROTTLE POSITION SENSOR

Jun 26, 2009 | 1994 Pontiac Grand Prix

1 Answer

Wont idel when warmed up


seems to me there may be a problem with the transmission, because you say it runs fine in neutral and dies when you put it in gear!!!
only logical thing if everything else you mentioned has been ruled out!!!

Jun 18, 2009 | 1995 Dodge Dakota

1 Answer

1. My grand prix gtp has problems with leaking on the passenger side. I cannot locate the leak. 2. My engine runs too hot when ideling. I changed the thermostat but this did not help. I need your assi


Make sure your cooling fans are coming on when the temp heats up. Are you talking about a leak inside the car or outside? Inside is usaully a drain tube for the A/C stopped up. Outside, look for a water pump or intake gasket.

May 12, 2009 | 1997 Pontiac Grand Prix

1 Answer

2006 pontiac Grand Prix stalls in wet weather


A cause for that would be an oxygen sensor getting wet, the one on the inlet side of the catalytic converter.

Apr 15, 2009 | 2006 Pontiac Grand Prix

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