Engine light went on and I put my ob2 on and it read PO325 and PO139, my car turns off whenever I come to a stop sign of light. what could this mena
P0325 - Knock Sensor Circuit Malfunction
Possible causes- Faulty knock sensor
- Knock sensor circuit short to ground
- Knock sensor circuit short to power
- Knock sensor circuit open
- Faulty Engine Control Module (very unlikely).
P0139 - O2 Sensor Circuit Slow Response Bank 1 Sensor 2
Possible causes- Rear Heated Oxygen Sensor Bank 1 harness is open or shorted
- Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Faulty Rear Heated Oxygen Sensor Bank 1
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks
SOURCE: engine light on when slow running or reverse car
you could have a bad torque control switch.it should on the front of tranny behind radiator. unplug it and drive around if you have power then that switch needs replaced.
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