Pontiac Sv P977B Engine Trouble Code

When your car's 'Pontiac Sv P977B Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

Pontiac Sv P977B Code Meaning :

When you check Pontiac Sv 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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