C2508 Diagnostic Trouble Code

C2508 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 C2508 diagnostic trouble code may include:

Hesitation upon acceleration
Excessive exhaust leak
Rich or lean exhaust
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected

Possible Causes :

A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Faulty IMRC actuator relay (if equipped)
Some aftermarket accessories and performance modifications

Repair Processes :

Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. Look for missing ground strap or a rusty ground where the fuel tank is grounded to the frame. Check for damage to the wiring harness connector.

Process Tips

Diagnostic trouble code C2508 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 C2508.

Fortunately, C2508 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C2508 Trouble Code For Specific Cars

C2508 Fageol Fageol Injector Circuit Malfunction - Cylinder 10
C2508 Kia Sportage Iv Series Throttle Control System Malfunction
C2508 Lotus Extreme Traction Control Motor Potentiometer Circuit Open
C2508 Peugeot Partner Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage/IAT - B Circuit High Input
C2508 Abarth 595 5-6 Shift
C2508 Bugatti Type 49 Cylinder 11 Misfire Detected
C2508 Ferrari 196 Injector High Side Open - Bank 1