Chevy Monte Carlo: High Oil Pressure → Causes + Diagnosis

If your Chevy Monte Carlo is experiencing unusually high oil pressure, you need to find out what’s causing it right away. Unusually high oil pressure can indicate serious problems, such as a blocked oil passage, or a broken pressure relief valve.  It should be treated like you have no oil pressure until you verify what … Read more

Chevy Monte Carlo P0606:  ECM/PCM → Processor Fault

P0606 is a generic OBD II code.  Which means that it has the same meaning for the Chevy Monte Carlo that it would for any other vehicle.  If your Monte Carlo has P0606 it’s highly likely that the ECM/PCM (engine or powertrain control module, they mean the same thing) has failed. The PCM regularly performs … Read more

Chevy Monte Carlo P0603: Keep Alive Memory → Error

P0603 is a generic OBD2 trouble code.  It indicates that your Chevy Monte Carlo’s keep alive memory has had an error. Keep alive memory is the data that your Monte Carlo’s PCM (Powertrain Control Module) has learned about how your engine conditions.  All of this sensor and driving input data is used to keep it … Read more

Chevy Monte Carlo P0123: TPS “A” Circuit → High Input

  P0123 is a relatively common OBD-II code.  It’s generic, which means it has the same meaning for the Chevy Monte Carlo as it would any other vehicle. It’s an OBDII code that references issues with the Throttle Position Sensor (TPS). It is relatively serious problem since it can leave your vehicle stranded or severely limited. … Read more