Mechanics

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

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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Ctmc72
March 7, 2012.




What was the code #.

Tiny
Fixitmr
Mar 7, 2012.
It said code 25. It flashed 2 times then 5 times

Tiny
Ctmc72
Mar 7, 2012.
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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Tiny
Fixitmr
Mar 7, 2012.
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?

Tiny
Ctmc72
Mar 7, 2012.
Take a fuel pressure reading too.

Tiny
Fixitmr
Mar 7, 2012.

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