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Mercedes A Class P0040 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.

Mercedes A Class P0040 Code Meaning :

P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine
0
Intake Valve Control Solenoid Circuit Low
0
Injector Circuit Malfunction - Cylinders
4
Cylinder 10 Contribution/balance Fault
0
Reverse Input Circuit
Mercedes A Class Engine

When you check Mercedes A Class car engine light came on code P0040 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P0040 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0040 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0040 OBD-II Trouble Code O2 Sensor Signals Swapped Bank 1 Sensor 1/Bank 2 Sensor 1 is the generic definition for the P0040; however your vehicles manufacturer may have a different definition and information for the P0040 code P0040 code.

Reason For P0040 Code

The reason of P0040 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

P0040 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.

P003F Previous Engine Trouble Code For Mercedes A Class Next Engine Trouble Code For Mercedes A Class P0041

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