Mercury Mariner DF074 Engine Trouble Code

When your car's 'Mercury Mariner DF074 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 Mariner DF074 Code Meaning :

When you check Mercury Mariner car engine light came on code DF074 the reason should be . However manufacturer may have a different definition for the DF074 . So you should chech it on our car models.

DF074 Description

DF074 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For DF074 Code

The reason of DF074 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

DF074 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.

DF073 Previous Engine Trouble Code For Mercury Mariner

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