C2982 Diagnostic Trouble Code

C2982 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 C2982 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.
Reduction in engine performance, especially at low RPM levels

Possible Causes :

An air leak forward of the DPF will change the sensor readings resulting in the code
Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
Fuel with a large percentage of sulfur will clog the DPF quickly

Repair Processes :

If the scan tool has that capability, and the scan tool can operate the IMRC valves, then the problem is either resolved and a simple code clearing is all that's left or a new PCM would be called for. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code C2982 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 C2982.

Fortunately, C2982 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C2982 Trouble Code For Specific Cars

C2982 Ferrari F2005 Intermediate Shaft Speed Sensor Circuit Intermittent
C2982 Ferrari 256 Input/Turbine Speed Sensor Circuit No Signal
C2982 Nissan Pick Up Cooling Fan 3 Control Circuit Malfunction
C2982 Daewoo Evanda Fuel Volume Regulator Control Circuit/Open
C2982 Renault Avantime Gear Shift Foward Actuator Circuit Low
C2982 Nissan Lafesta Cold Start Injector 1 Malfunction
C2982 Mercedes C 180 ABS Hydraulic Pump Motor Circuit Short To Battery