C3351 Diagnostic Trouble Code

C3351 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 C3351 diagnostic trouble code may include:

Diminished fuel efficiency
Fuel pressure too high
Malfunction Indicator Lamp (MIL) illuminated
Reduction in engine performance, especially at low RPM levels

Possible Causes :

Dirty air cleaner element Damaged DPF
A plugged converter will cause of host of driveability problems as well as set this code. A severely plugged converter will result in the inability to increase rpm when under load. Look for a code such as P0421 -- catalytic converter efficiency below threshold if the converter indicating a faulty converter.
Faulty IMRC actuator/sensor

Repair Processes :

If the engine displays a miss and there wasn't a code, determine which cylinder is misfiring. If the exhaust manifold is visible, spay or pour a small amount of water on each cylinder exhaust port. Water will evaporate immediately on good cylinders and slowly on the missing cylinder. If this can't be accomplished pull the plugs and check the condition. It should be pretty close to battery voltage (12 volts). If not, then this is the circuit that has the problem. Find out what kind of system you have and verify that voltage to the fuel level sensor is present at the fuel pump wiring harness.

Process Tips

Diagnostic trouble code C3351 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 C3351.

Fortunately, C3351 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C3351 Trouble Code For Specific Cars

C3351 Citroen Berlingo Front Crash Sensor Driver Communications Fault
C3351 Bugatti Type 101 Cylinder #6 High To Low Side Short
C3351 Dkw F91 Idle Switch (Electric Control Throttle) Circuit Malfunction
C3351 Ford 021 Left Rear Turn Lamp Circuit Failure
C3351 Suzuki Esteem
C3351 Volkswagen Jetta Right Front Center Sensor Circuit Short to Vbat
C3351 Amilcar C6 Air Suspension LF Corner Down Timeout