What does air/fuel ratio code mean and is that a sensor?

Tiny
CTMC72
  • MEMBER
  • 1991 TOYOTA COROLLA
Gentleman called me asked if I could scan his car the check engine light came on saterday, I said I could scanner would not show any codes seen that the check engine light was blinking and wrote the number of times it blinked.
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Wednesday, March 7th, 2012 AT 3:00 AM

5 Replies

Tiny
FIXITMR
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What was the code #.
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Wednesday, March 7th, 2012 AT 3:19 AM
Tiny
CTMC72
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It said code 25. It flashed 2 times then 5 times
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Wednesday, March 7th, 2012 AT 3:55 AM
Tiny
FIXITMR
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Running too lean. Could be a sensor or vac leak maybe between IAT and throttle body. You have MAP, ECT, IAT, 2 OX sensors.
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Wednesday, March 7th, 2012 AT 4:33 AM
Tiny
CTMC72
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Im not very fimilar with toyota so what is the IAT, ECT sorry if I seem dumb but never fixed one before. And where would the sensor be located?
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Wednesday, March 7th, 2012 AT 5:16 AM
Tiny
FIXITMR
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Take a fuel pressure reading too.
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Wednesday, March 7th, 2012 AT 6:03 AM

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