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.
What was the code #.
It said code 25. it flashed 2 times then 5 times
Running too lean.could be a sensor or vac leak maybe between IAT and throttle body. you have MAP, ECT, IAT, 2 OX sensors.
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??
Take a fuel pressure reading too.
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