05 chevy silveraldo, replaced 02 sensor bank 1 sensor 2 and bank 2 sensor 2, now it came up with the po240 bank 1 code. is this automatically a cat? (hoping not) and how imparitive is it to be changed
impala BANK 1 UP STREAM OXYGEN SENSOR LOCATION IS LOCATED ON THE REAR EXHAUST MANIFOLD. Sensor 1 is before the catalytic converter and sensor 2 is after the converter. Click this link for more help:--
Question about 2005 Impala
05 chevy impala check engine code p0036 n p0142 bank one sensor two which sensor do I replace If you have access to a scan tool, check the signal voltage for the Bank 1,3 oxygen sensor with the engine
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