Logo

Subaru Dl C3974 Engine Trouble Code

Theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

Subaru Dl C3974 Code Meaning :

C
OBD-II Diagnostic Chassis (C) Trouble Code For Engine
3
Ignition System Or Misfire
9
Engine Oil Temperature Sensor Malfunction
7
Cylinder 10 Contribution/balance Fault
4
Exhaust Gas Recirculation Sensor B Circuit High
Subaru Dl Engine

When you check Subaru Dl car engine light came on code C3974 the reason should be . However Subaru manufacturer may have a different definition for the C3974 OBD-II Diagnostic Chassis (C) Trouble Code. So you should chech it on our car models.

C3974 OBD-II Diagnostic Chassis (C) Trouble Code Description

C3974 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For C3974 Code

The reason of C3974 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

C3974 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.

C3973 Previous Engine Trouble Code For Subaru Dl Next Engine Trouble Code For Subaru Dl C3975

All Engine Trouble Codes

All engine trouble codes with P, U, B and C engine codes.

Code Search

Please fill the "Code Box" to find engine fault code.

Example: 0140

Car Models :

Please select your car.

How To Read Engine Codes ?

Ways to read engine trouble codes.

How To Clear Check Engine Lights ?

Ways to clear check engine light on car panel.

Check Engine Light Dictionary

Ways to clear check engine light on car panel.