Rover 420 P977B Engine Trouble Code

Rover 420 P977B 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.

Rover 420 P977B Code Meaning :

When you check Rover 420 car engine light came on code P977B the reason should be . However manufacturer may have a different definition for the P977B OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P977B OBD-II Diagnostic Powertrain (P) Trouble Code Description

P977B engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P977B Code

The reason of P977B OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P977B 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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