Pontiac Grand Am 2001

Tiny
MRDOMINO21
  • MEMBER
  • 2001 PONTIAC GRAND AM
  • 4 CYL
  • 2WD
  • AUTOMATIC
Car shakes and winding sound don't know y can you help?
Saturday, November 13th, 2010 AT 9:09 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Engine running rough or misfiring can be cause by the following:

1. Defective spark plug
2. Inadequate spark/coil, defective spark plug wire.
3. Lack of compression
4. False air leakage.
5. Faulty fuel injectors.
6. Insufficient fuel pressure.
7. Contaminated fuel.
8. EGR valve that is leaking.
9. Oxygen sensors.
10. Throttle position sensor.
11. Manifold absolute pressure sensor
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Sunday, November 14th, 2010 AT 5:30 AM

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