C0508 Diagnostic Trouble Code

C0508 is a kind of OBD-II Diagnostic C-Chassis Diagnostic Trouble Code.

It is considered generic because it applies to all makes and models of vehicles, although specific repair steps may be different depending on your car model.

Symptoms

Symptoms of a C0508 diagnostic trouble code may include:

Misfire
Misfire
The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected

Possible Causes :

Fuel with a large percentage of sulfur will clog the DPF quickly
The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction.
An air leak forward of the DPF will change the sensor readings resulting in the code

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. Oxygen sensors signal the engine management computer the amount of oxygen present in the exhaust, which is used in determining and controlling the fuel ratio. Now, clear the codes and test-drive the vehicle to see if the code is reset.

Process Tips

Diagnostic trouble code C0508 is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before C0508.

Fortunately, C0508 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C0508 Trouble Code For Specific Cars

C0508 Land Rover Lr3 Steering VAPS II Circuit Loop Short To Battery
C0508 Spyker 30 Lamp Dome Input Circuit Failure
C0508 Ford Maverick Mirror Driver Vertical Feedback Potentiometer Circuit Failure
C0508 Ac 2-litre A/C Relay Circuit Malfunction
C0508 Seat Cordoba 2 Injector Circuit Open / Shorted - Cylinder #5
C0508 Nissan Sut Current Sense Circuit Failure
C0508 Alta 2-litre Air Bag Passenger Pressure Switch Circuit Open