Question about Pontiac Grand Prix

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I have DTC 0102 popped up on my 97 Gran Prix GTP. Please advise.

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6 Suggested Answers

  • 451 Answers

SOURCE: How do replace heater core in 2002 Pontiac Gran Prix

i do believe you have to take the passengers side dash apart behind the glove compartment. go to autozone and get a manual or go to the library and check the chiltons manual. this is not an easy job. how bad is the leak? if its not bad these heater cores are made of all aluminum. i would buy a bottle of that radiator additive and see if that takes care of the problem first. it only cost about 5 bucks a bottle and it may permanantly fix your problem.

Posted on Aug 13, 2009

  • 72 Answers

SOURCE: hud stoped working

yes, behind the speedometer / odometer is a small bulb. replace it and it will fix your heads up display

Posted on Aug 25, 2009

KCGTODAD
  • 169 Answers

SOURCE: my car starts but after a while dies waht can be

Hello! You're symptoms sound very much like a common problem associated with the fuel pump resistor. The GTP engine has a two speed fuel pump. There are two relays that control the fuel pump via the PCM module. The fuel pump relay and fuel pump hi-speed relay. Tied into the hi-speed relay is a fuel pump resistor that may go bad.

Symptoms vary but primarily the engine will start but die in a matter of seconds due to insufficient fuel pressure.

Here is a picture of the relay - which is located in the fuse box in the engine compartment:

e3ccead.jpg
What you can do to both diagnose this and either narrow it down to this or disqualify it as the culprit is remove relay #15, and bend out the tab labeled "85", and then reinstall the relay. If this does solve your problem, then you need to replace the Fuel Pump Resistor. Doing this will bypass the resistor, and place the fuel pump in "high" speed mode at all times. Once you have replaced the resistor, you need to bend the tab back to its normal position and replace the relay.
NOTE: while this may be a helpful diagnosis tool, and provide a temporary fix - doing this procedure for a prolonged period of time can lead to fuel pump failure. Use this at your own risk.


Hope this helps and good luck!

Posted on Sep 25, 2009

  • 617 Answers

SOURCE: Location of mass air flow sensor, 2000 Grand Prix GTP

3.1 or 3.8 motor, mass air flow is in the fresh air (goes from air cleaner to engine)

Posted on Feb 07, 2010

mlapres
  • 757 Answers

SOURCE: replace thermostat on 2003 grand prix gtp with

The thermostat housing is located in the upper radiator hose. You will see a metal elbow secured by two bolts into what I remember is the upper intake manifold...don't quote me on that but you will see it regardless of whatever I call it. Anyways, GM decided it was a good idea to put stainless steel bolts in there but that makes it easy to strip the threads in the bolt hole so I think it's best when you put your wrench on the bolt to just tap on the handle till you vibrate it loose, then turn it.
When you pull off the housing you'll lose a little coolant and it will create an air pocket which we'll address. It's a 50/50 chance that the thermostat housing gasket will either stick to the housing or the engine...it may be torn, cracked or flaking in either case clean both contact surfaces before you replace the gasket. I recommend an oil impregnated poly material gasket.
Note the position of the thermostat in the hole and place the new one in as such.
I recommend a 180 degree thermostat...stock is 195 but the GTP runs better with the 180.
Put on gasket and reinstall the hose/housing assembly, alternate from one bolt to the other so the housing mates flat and cannot cause a leak.
Next, fill the coolant overflow bottle to the "HOT" mark. If the bottle is dirty and hard to see just put a light on top of the bottle...GM didn't mark it very well so if it's not squeaky clean you can hardly see a damn thing.
*IMPORTANT** if your car still has Dexcool in it, DUMP IT. It will eventually destroy the motor.
If not...continue on. Start the car. Go back to the thermostat housing and place a rag on top of, and twist the peacock valve on top of it to let the air out until it starts to get coolant on the rag. Done.

Posted on Feb 27, 2010

mlapres
  • 757 Answers

SOURCE: 1999 pontiac gran prix gtp has engine code po650

If you are not experiencing any actual driveability problems such as with your brakes, considering the DTC P1653 with P0650 then the problem may be electrical.

Start your search with the fuse for your traction control system, it is under the hood in the compartment mounted to the passenger side strut tower. If nothing is wrong with that then check your wiring harnesses from that box for loose connection or wire damage, and also under the dash.

Posted on Oct 10, 2010

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1 Answer

Where can I find a seat belt retainer guide that attaches to headrest for a 2000 Pontiac Gran Prx GTP?


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My 2004 gran prix (gtp) just hit 100000 miles. What maintenance needs to be done now?


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1999 pontiac gran prix gtp has engine code po650 mil control cp, and code p1653


If you are not experiencing any actual driveability problems such as with your brakes, considering the DTC P1653 with P0650 then the problem may be electrical.

Start your search with the fuse for your traction control system, it is under the hood in the compartment mounted to the passenger side strut tower. If nothing is wrong with that then check your wiring harnesses from that box for loose connection or wire damage, and also under the dash.

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Security system


turn ignition to the on position,,,leave on for 15 minuets,,then turn off,,then turn back on to start,,,hoped it helped

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Known GTP problem.

You most likely have a bad fuel pump resistor, which controls 2 speeds of the fuel pump.

To check to see if this is the problem, there is a trick you can do and its very easy to do. Go to the attached link, and bend the tab my finger is pointing at and then plug it back in. If your car starts and runs fine, well we just solved the problem.

Link ->> http://www.boredandstupid.com/relay.jpg

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