Testing O2 Sensors?
04-25-2008, 12:25 PM
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Testing O2 Sensors?
Will defective O2 sensors always throw a code? Or is it possible they are bad and not throwing an O2 sensor code?
I am trying to troubleshoot a P1136 ans P1138 lean codes.
Measuring block 32 Idle readings are running 8-10%. At speed readings are normal.
No leaks found. MAF replaced no help. Fuel filter replaced.
Could it possibly be bad O2 sensors? Remember I have at idle lean codes on both banks.
I am trying to troubleshoot a P1136 ans P1138 lean codes.
Measuring block 32 Idle readings are running 8-10%. At speed readings are normal.
No leaks found. MAF replaced no help. Fuel filter replaced.
Could it possibly be bad O2 sensors? Remember I have at idle lean codes on both banks.
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