1997 Toyota 4Runner check engine

Tiny
DHANOWA
  • MEMBER
  • 1997 TOYOTA 4RUNNER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 121,000 MILES
Chine engine light came on, I check the code P0301 this mean Cyclinder #1 misfiring, I have changed spark plugs, coil, fuel filter, cleaned fuel injectors with machine, changed spark plugs wires, But I can not find the faults even the toyota dealer. Please help me.
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Thursday, December 13th, 2007 AT 7:02 PM

1 Reply

Tiny
MHPAUTOS
  • EXPERT
Hi there,

Clear the code and drive the car. Can you fell a miss fire? Will it miss under load? Re check for code if gone all is well, if re set and you cannot feel any driveability problem, there may be a problem with the ECU qiving a fauls code. Often there are test units that you can use for a small fee to prove if there is a problem, your mechanic should be aware of the option.

Mark (mhpautos)
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Friday, December 14th, 2007 AT 12:57 AM

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