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CEL codes after replacing bad motor


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02 legacy 2.5 at. Motor was blown up and would not turn over. I'm suspecting someone had tried to start it with the motor locked up. Replaced engine and now runs and drives fine, but have 8 cel codes and blinking cel all the time. Also with ignition on engine off(as in when reading codes) you can hear relays clicking from multiple places under the hood and trans area and the fans cycle on and off even when engine is cold. From what I've read I'm thinking some type of over current damage was done by trying to start the car with a locked up motor. Here are the list of codes:

 

p0500 Veh speed sensor A malf

 

p1540 malf cntrl veh speed Idle speed control aux inputs

 

p0851 Park/neutral sw. circuit low input

 

p0852 Park/neutral sw. circuti hi input

 

p1518 Manf cntrl veh spd Idle speed control aux inputs

 

P0512 Starter signal circuit

 

p0137 o2 sensor circuit lwo volts bank1 sens2

 

p0138 o2 sensor circuit hi volts bank1 sens2

 

 

Assuming the last two are unrelated to the main problem, but any help is greatly appreciated before I take it to the shop to fix. thanks

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CLear all the codes, if they come back look for a common denomintaor.

 

From what i see, the NSS is disconnected.

The O2 sensor is disconnected

VSS is disconnected

 

 

In other words, a harness is not plugged in properly or broken

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