1998 Lexus GS 400 Missing Vibration

Tiny
CLARENCE40
  • MEMBER
  • 1998 LEXUS GS 400
  • V8
  • 2WD
  • AUTOMATIC
  • 169,000 MILES
Missing vibration at idle and stops, please help me troubleshoot what could be causing this. Tks
Tuesday, February 16th, 2010 AT 10:51 AM

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.
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Wednesday, February 17th, 2010 AT 5:52 AM

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