2000 Toyota Tacoma rough idle

Tiny
CONRAD KRUSE
  • MEMBER
  • 2000 TOYOTA TACOMA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 9,400 MILES
I recently retrieved data from the cars computer because the check engine light was on. I purchased the carmd scan tool to do this. From the code retrieval carmd said the most likely problem was a malfuntion with the number 2 cylinder ignition coil.I replaced the ignition coil and the check engine light went out. It seemed to be running better but I noticed the car was idling rough. Then about a week later the check engine light came back on. What kind of things can you do to smooth out the idle. Thanks conrad.
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Sunday, March 14th, 2010 AT 12:31 PM

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Tiny
RASMATAZ
  • MEMBER
Engine running rough or misfiring can be cause by the following-inspect and test all the following below:
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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Tuesday, April 20th, 2010 AT 5:10 PM

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