WHAT DOES AIR/FUEL RATIO CODE MEAN AND IS THAT A SENSOR???

  • Tiny
  • ctmc72
  • 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.

Wednesday, March 7th, 2012 AT 3:00 AM

5 Answers

  • Tiny
  • fixitmr
  • Member

What was the code #.

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Wednesday, March 7th, 2012 AT 3:19 AM
  • Tiny
  • ctmc72
  • Member

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
  • Member

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
  • Member

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
  • Member

Take a fuel pressure reading too.

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Wednesday, March 7th, 2012 AT 6:03 AM

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