C0370 Diagnostic Trouble Code

C0370 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 C0370 diagnostic trouble code may include:

Poor fuel economy
Possible spark knock (detonation / pre-ignition)
Misfire
Rich or lean exhaust

Possible Causes :

The Mass Airflow sensor will also cause this problem. Mass Airflow circuit malfunction.
Fuel with a large percentage of sulfur will clog the DPF quickly
A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. Oxygen sensors signal the engine management computer the amount of oxygen present in the exhaust, which is used in determining and controlling the fuel ratio. 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.

Process Tips

Diagnostic trouble code C0370 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 C0370.

Fortunately, C0370 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

C0370 Trouble Code For Specific Cars

C0370 Iso Rivolta
C0370 Iso Grifo SCP (J1850) Invalid or Missing Data for Primary Id / Vehicle Speed
C0370 Kia Carens Seat Rear Vertical Motor Position Out of Range
C0370 Isuzu Irmscher SCP (J1850) Invalid or Missing Data for Traction Motor
C0370 Rover 825 Ignition Coil D Primary/Secondary Circuit Malfunction
C0370 Jeep Liberty Seat Driver Rearward Switch Circuit Short To Battery
C0370 Nsu Ro80 Cylinder 12 Contribution/Balance Fault