2001 Ford Laser Rough start up

Tiny
VASEA
  • MEMBER
  • 2001 FORD LASER
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 74,000 MILES
Runs very rough when starting and lucks in power like its missing a cylinder or something, every now and then.
Cheers
Sunday, July 4th, 2010 AT 1:56 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.
10. Throttle position sensor.
11. Idle air control valve.
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Sunday, July 4th, 2010 AT 6:32 AM

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