Gmc Acadia P3977 Engine Trouble Code

When the check engine light comes Gmc Acadia P3977 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

Gmc Acadia P3977 Code Meaning :

When you check Gmc Acadia car engine light came on code P3977 the reason should be . However manufacturer may have a different definition for the P3977 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P3977 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P3977 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P3977 Code

The reason of P3977 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P3977 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.

P3976 Previous Engine Trouble Code For Gmc Acadia

Next Engine Trouble Code For Gmc Acadia P3978