Cadillac Model B P391F Engine Trouble Code

Cadillac Model B P391F if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

Cadillac Model B P391F Code Meaning :

When you check Cadillac Model B car engine light came on code P391F the reason should be . However manufacturer may have a different definition for the P391F OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P391F OBD-II Diagnostic Powertrain (P) Trouble Code Description

P391F engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P391F Code

The reason of P391F OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P391F code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

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