C3357 Diagnostic Trouble Code

C3357 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 C3357 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 :

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.
An air leak forward of the DPF will change the sensor readings resulting in the code

Repair Processes :

Look at the plug wires to make sure they are not burnt or laying on the exhaust. Pack the connector cavity with dielectric silicone compound (same stuff they use for light bulb sockets and spark plug wires) and reassemble. 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 C3357 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 C3357.

Fortunately, C3357 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C3357 Trouble Code For Specific Cars

C3357 Fiat 8 Hp Lamp Dome Input Circuit Short To Battery
C3357 Chevrolet Trailblazer Emergency Power Off System Faulted
C3357 Willys-overland Whippet SCP (J1850) Invalid or Missing Data for Seat Motion / Control
C3357 Toyota Sienna Park/Neutral Switch Circuit Short To Battery
C3357 Moretti 128 Battery Temp out of Range
C3357 Honda Step RESCU/VEMS Input Circuit Short to Ground
C3357 Mcc Smart A/C Refrigerant Pressure Sensor Circuit Malfunction