Mercury Mc4 B3874 Engine Trouble Code

Mercury Mc4 B3874 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.

Mercury Mc4 B3874 Code Meaning :

When you check Mercury Mc4 car engine light came on code B3874 the reason should be . However manufacturer may have a different definition for the B3874 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B3874 OBD-II Diagnostic Body (B) Trouble Code Description

B3874 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For B3874 Code

The reason of B3874 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

B3874 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.

B3873 Previous Engine Trouble Code For Mercury Mc4

Next Engine Trouble Code For Mercury Mc4 B3875