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2002 grand prix failed emmisions dont' know where to go from here

Had battery die last week was told to do a drive cycle ????

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A drive cycle is what allows the on board computer to test and verify all is working correctly. Here is how you do a GM drive cycle. Click this LINK

Posted on Feb 24, 2012


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: i took my 2002 pontiac

The wiper motor is located under the plastic air intake at the base of the windshield on the driver's side of the vehicle. It is not too hard to get at and you will need to remove at least the lh wiper arm. It is very possible it is a linkage problem and not the motor (the arms pop off their sockets sometimes on these cars) Take the plastic cover off and you will see the arms and be able to tell if they are disconnected or not.

Posted on Jan 06, 2009

  • 26 Answers

SOURCE: 2002 Pontiac Grand Prix Thermostat

as you face the engine the thermostat bell is on the right (drivers side) Follow the radiatoe hose. Remove the two bolts and raise the bell still attatched to the hose. the thermostat is there with the rubber seal. You can gently pry the thermostat out with a screwdriver or something similar. Put in new thermostat be sure it is the same as the old one, and then replace or change the seal (be sure it is the smae size and thickness as the old one as I got the wrong size from Napa) Then replace the bell, and tighten, but not over tighten. I hope this helps!

Posted on Jan 31, 2009

  • 15 Answers

SOURCE: 2002 grand prix runs rough,dies service engine

sounds like you have a vacuum leak, check all the vacuum hoses and replace any broken or kinked ones, also check around the intake manifold gasket for leaks. any air leaks after the air flow meter creates 'un-metered' air which inturn will make the car run rough and stall, hope this helps

Posted on Apr 04, 2009

  • 58 Answers

SOURCE: 2002 Pontiac Grand Prix GTP / Multi-function Switch

i have the sameproblem. Dealer part was quoted to me at $510.00. All after market parts stores were $350- 450. Try moving the emerg. flasher button while you step on the brakes and someone else watches the lights. I jammed paper beside the button and they work until I can fix it.I had to order the multi-function switch. and you have to pull the air bags to replace it.

Posted on Jul 15, 2009

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SOURCE: 2002 pontiac grand prix code reader says it is

what codes are you getting? check all spark plug wires as a start. pull one of the spark plug wires off while car is running. if you notice an improvement in idleling then it may be a coil pack. each spark plug has a coil pack if only one goes out it will be a rough running car. i had to replace 2. sometimes they just go out without warning. the other thing would be to change the spark plugs and wires. if you have over 75,000 miles on the car then i would replace. todays spark plugs are good up to and over 50,000 miles. simple fix. the only hard part is the 3 plugs on the firewall. little room to get them but it will take about 1-2 hours just for those back 3 plugs unless you have the right tools. then if all this fails i would check the egr sensor......oh even easier first check all your vacuum hoses it only takes 1 to screw up your performance. vacuum hose is a cheap fix. good luck and email me back if i helped or not. i like trouble shooting. my grand prix purrs like a kitten most of the time..

Posted on Aug 12, 2009

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Drive cycle 2002 Pontiac Grand Am

Three cold starts and at least a 15 minute drive should be enough time for the fail counter to clear the light.
Worst case you may want to disconnect the battery negative cable for 15 minutes. This will reset the fail counter to 0. The PCM will contine to moniter the catilyst and set a light only if the convertor fails the test again.
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My 2002 grand prix has failed the NJ inspection now for the 6th time. They keep telling me I have to drive it a 'few more miles" in order for the Evaporative System & Oxygen Sensor to...

What you are experiencing is this.
Your computer in your car runs on "Drive Cycles". Each separate time you start your car you enter a new drive cycle. In order for the Evaporative and the Oxygen to activate the drive cycle must be long enough and far enough to get all the systems up to the right temperatures. This could take up to 15 miles of continuous driving.
What your problem sounds like is you are not driving your car long enough the very day you have it inspected.
What you did last week cannot effect a new drive cycle today. For each cycle is independent of the others.
Try driving it longer than you have in your previous attempts of inspection.
Best Wishes,

Jul 01, 2011 | Pontiac Grand Prix Cars & Trucks

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I have a 2002 grand prix gt v6 3.8. The car was running fine then out of know where it wouldn't start. After getting a jump I drove it home and the same thing happend when I tryed to leave again. I can...

Dont have a solution but i have a 3.1 and its doing the same thing. we checked fuel press. and its fine but some one told me that its the fuel pump because if you drive on a half a tank of gas or less the fuel pump is not cooling off properly so it shuts eng. off. cause fuel pump is going bad and it will not show any codes if tested. so i am replacing the fuel pump $260 hopefully this will solve the problem but try driving with full tank of gass it should not do it as often but after about 10 min car should start after it dies.

Jan 26, 2011 | 2002 Pontiac Grand Prix

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I have antifreeze smell coming from my 2002 grand prix and no puddles and nothing wet found on engine had intakes replaced recently and had coolant flushed recently

Did u check ur front floor rug? Coolant is circulated all threw the car there are two hoses that attach to (motor) wall that can leak inside.

Jun 28, 2009 | 2002 Pontiac Grand Prix

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Failed emmisions test..

I am in Virginia but I believe you vehicle is showing a monitors not ready for Catalyst & Evap. If that is correct you need to basically drive the car a few days. The computer will remonitor itself and should be fine following that. Most drive cycles require highway driving & city driving. Make sure you turn on a/c as well. Its not how many miles you drive but what conditions you drive that sets you monitors. You could locate the drive cycle and attempt to replicate it but its usually very difficult drive exactly as the cycle asks. Good luck.

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