C242E Diagnostic Trouble Code

C242E 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 C242E diagnostic trouble code may include:

Engine surge
Blown fuse (if applicable)
Lack of power
Rich or lean exhaust

Possible Causes :

Faulty IMRC actuator relay (if equipped)
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)

Repair Processes :

Check to make sure they are not burnt or corroded. If in doubt, get some Electrical Contact cleaner at any parts store if cleaning of the terminals is needed. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground.

Process Tips

Diagnostic trouble code C242E 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 C242E.

Fortunately, C242E is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C242E Trouble Code For Specific Cars

C242E Mitsubishi Concept Audio Single-Disc CD Player Internal Fault
C242E Alfa Romeo 22 ABS System Is Not Operational
C242E Opel Corsa Decklid Release Circuit Open
C242E Proto Spirra Fuel Restriction Condition
C242E Buick Estate Cylinder 7 Injector Circuit Low
C242E Lotus 2-eleven Torque Converter Clutch Inductive Signature Malfunction
C242E Volkswagen T6 SCP (J1850) Invalid or Missing Data for Air Conditioning Clutch