Mercury Mc4 B3871 Engine Trouble Code

When your car's 'Mercury Mc4 B3871 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.

Mercury Mc4 B3871 Code Meaning :

When you check Mercury Mc4 car engine light came on code B3871 the reason should be . However manufacturer may have a different definition for the B3871 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B3871 OBD-II Diagnostic Body (B) Trouble Code Description

B3871 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For B3871 Code

The reason of B3871 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

B3871 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.

B3870 Previous Engine Trouble Code For Mercury Mc4

Next Engine Trouble Code For Mercury Mc4 B3872