C1107 Diagnostic Trouble Code

C1107 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 C1107 diagnostic trouble code may include:

The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.
Faulty PCM
If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
Diminished fuel efficiency

Possible Causes :

Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.
An air leak forward of the DPF will change the sensor readings resulting in the code

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. Look at the plug wires to make sure they are not burnt or laying on the exhaust. If all testing has passed so far yet you still have the same code, check your scan tool and see if it can open and close the IMRC valve.

Process Tips

Diagnostic trouble code C1107 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 C1107.

Fortunately, C1107 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C1107 Trouble Code For Specific Cars

C1107 Renault Super HO2S Heater Control Circuit (Bank 1 Sensor 1)
C1107 Gaz 61 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)
C1107 Mercury Capri Air Suspension LF Height Sensor Circuit Short To Ground
C1107 Infiniti G37 SCP (J1850) Invalid or Missing Data for Exterior Environment
C1107 Ferrari F55 Internal Vref Malfunction
C1107 Peugeot 107 Dynamic Stability Control Right Front Valve Malfunction
C1107 Citroen 11 L Fan Relay (Low) Circuit Malfunction