C3300 Diagnostic Trouble Code

C3300 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 C3300 diagnostic trouble code may include:

Blown fuse (if applicable)
Engine surge
Reduction in engine performance, especially at low RPM levels
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)
Dirty air cleaner element Damaged DPF

Repair Processes :

Pack the connector cavity with dielectric silicone compound (same stuff they use for light bulb sockets and spark plug wires) and reassemble. 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 C3300 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 C3300.

Fortunately, C3300 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C3300 Trouble Code For Specific Cars

C3300 Lexus Es TCM Power Input Signal Intermittent
C3300 Mazda B2500 Transmission Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To Ground
C3300 Chrysler E EV Battery Pack Temperature Fault
C3300 Auto-union 1000 Aux Heater Fuel Pump Circuit Open
C3300 Zender Vision SCP (J1850) Lack of Acknowledgment for Mirrors
C3300 Morris Fourteen Brake Pedal Switch Circuit Malfunction
C3300 Princess 1700 Fuel Rail Sensor In-Range High Failure