1998 Cadillac Catera

Tiny
JAYDOG40
  • MEMBER
  • 1998 CADILLAC CATERA
1998 Cadillac Catera 6 cyl Two Wheel Drive Automatic

i just change my head and now I got a misfire on cylinders 1, 3, and5
Wednesday, August 11th, 2010 AT 9:54 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. Idle air control valve.
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Thursday, August 12th, 2010 AT 2:18 AM

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