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93 Celica 150,000miles. CHECK ENGINE LIGHT

Tiny
KGOPEL
  • MEMBER
  • 1993 TOYOTA CELICA
The check engine light is on, but goes off when I accellerate. Could this be the intake sensor? I replaced my factory intake to a Mass AirFlow intake. I also Tried replacing the Oxygen Sensor, but no luck. Still on. Any ideas?
Sunday, April 2nd, 2006 AT 3:36 PM

3 Replies

Tiny
LOSONE
  • MECHANIC
  • 1,616 POSTS
Go to the Zone and let them give you a read out of the codes. It sounds like a vacuum leak or the fuel cap gasket may be bad.
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Sunday, April 2nd, 2006 AT 6:22 PM
Tiny
KGOPEL
  • MEMBER
  • 13 POSTS
Autozone doesn't have the older diagnostic reader. I think it might be the air temperature sensor. Had to unplug it to install the intake. Not sure though. I just don't understand why it goes off when I hit the gas.
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Tuesday, April 4th, 2006 AT 11:02 PM
Tiny
VI3T1UV
  • MEMBER
  • 4 POSTS
Get a Hayne or Chilton manual, it should tell you how to jump wire for self-diagnostic and look up the code in the book. Hope this help!
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Thursday, April 6th, 2006 AT 4:31 PM

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