Question about 2002 Pontiac Grand Prix

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I get this 2002 pontiac grand prix 3100 6 cylinder buy as is. when you go about 40 miles an hour, the car shakes like it has a flat tire, we have put brand new tires on it, new rotors and brakes, a ne

Also an allignment.

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  • carol cuneo Jan 18, 2013

    We took it to firestone again today. It was the drivers side axile.

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  • 6 Answers

Get all your motor and transmission mounts checked to see if any of them are wore out.

Posted on Jan 17, 2013

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: tire pressure sensor

The trip computer that is to the right of the dash will allow you to reset your tire sensor.

Posted on Jul 23, 2008

  • 102 Answers

SOURCE: Check tire pressure warning

check tire pressures with a gauge and set to the specs either in door jam or in glove box. your car must be equipt with tire preasure monitoring system so the sensors are inside the wheel normally part of the valvestem.

Posted on Mar 28, 2009

  • 4 Answers

SOURCE: weird noise in front of car

How would changing the rear pads fix a noise in the front? Take the front wheels off and look for excess rust on the discs or grit in or on the pads. It sounds like you might be competent enough to take the calipers off (it's not very hard). If the noise gets louder with speed, it could very well be the bearings. This is much harder to do yourself (yay FWD), and you might want to get it towed so you don't damage the hubs, etc. Just shaking the wheel probably isn't enough to diagnose bad bearings.

Posted on May 11, 2009

  • 1 Answer

SOURCE: Low tire pressure warning

most pontiac grand prix are equipted with a tire calabrater.. with this system the car recognises your tires losing air even to the .014 degree to reset this reach up under the steering consol and there sould be a yellow button to recalibrate the tire pressure.. make sure ALL tires are at desired infflation before hiting this button

Posted on Jun 25, 2009

bschilz
  • 2049 Answers

SOURCE: i ran a scanner on my 2002 pontiac grand prix 3100

A code “multiple misfire” may mean that one or more of the following has happened:

•Faulty spark plugs or wires
•Faulty coil (pack)
•Faulty oxygen sensor(s)
•Faulty fuel injector(s)
•Burned exhaust valve
•Faulty catalytic converter(s)
•Stuck/blocked EGR valve / passages
•Faulty camshaft position sensor
•Defective computer

If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.

Posted on Feb 01, 2010

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1 Answer

2002 Grand Prix shakes when accelerating over 30 mph


-Possible tires are out of balance.


Good luck

Mai

Feb 05, 2014 | 2002 Pontiac Grand Prix

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Hows the rim and the tire?Accelerate when it begins to shake put it in neutral,if the shaking goes away it in you transmission.

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Why is my steering wheel shaking when I drive over speeds of 55 miles an hour? I have new struts and a replaced a worn tie rod end yesterday.


If the rate of the shaking increases or decreases with your speed, it could be your wheel balance or a problem with a tire.

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(1999 pontiac grand prix 3100 SE v6) where is my head gasket located and how do I replace it? Diagrams are welcome!


CYLINDER HEAD GASKET LOCATED BETWEEN CYLINDER HEAD AND CYLINDER BLOCK.YOU CAN GO TO ANY AUTO PARTS STORE BUY A CHILTON OR HAYNES REPAIR MANUAL.IT WILL HAVE PHOTOS WITH HEAD GASKET.

May 25, 2011 | 1999 Pontiac Grand Prix

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May 24, 2011 | 1999 Pontiac Grand Prix

1 Answer

I have a pontiac and i keep blowing head gasket on number one cylinder. I have installed new heads and gasket lasted about five years. I was wondering what the correct head bolt torque is for a 1995...


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Try replacing PCV valve on the valve cover-had same problem one time on a 3100 I had.

Jan 17, 2010 | 2001 Pontiac Grand Prix

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