pontiac grand AM 2001

4 CYL • 2WD • AUTOMATIC
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MRDOMINO21
  • MEMBER
  • 1 POST
car shakes and winding sound don't know y can you help?
Nov 13, 2010 at 1:09 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 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
Nov 13, 2010 at 9:30 PM
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