C0866 Trouble Code

View C0866 obd/2 error code description and symptoms. C0866 engine photo

The Camshaft Position sensor will signal the Engine Control Module when the #1 cylinder is ready for the spark plug to fire (top-dead-center on compression stroke). The ECM uses the information from this sensor to help calculate fuel delivery and spark timing.

A good starting point in your diagnosis is checking all system fuses and fusible links. This can be done using the DVOM on the voltage setting. You will want to test the fuses with circuits loaded. Some fuses will appear normal until a load is placed on their respective circuit; at which point they will fail. This has been the cause of many 'phantom malfunctions'. Consult your vehicle information source for fuse and fusible link locations. If all fuses are in working order, you may want to check TCM relay operation by swapping identical relays. Usually the horn relay, starter relay, fuel pump relay, air conditioning clutch relay, and controller relays are similar enough in design to swap for diagnostic purposes.

C0866 Error Code Repair Process :

The scent may C0866 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such C0866, so if the inside of your car traction control active lamp - circuit short to battery as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

C0866 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Common Causes of C0866

A common cause of code C0866 is the failure of Traction Control Active Lamp - Circuit Short to Battery, but there are several other possible causes as well, such as ;

Clogged or faulty fuel injector (s)
Faulty Mass Air Flow (MAF) sensor
Improper ignition timing
Faulty select solenoid

C0866 code for all cars

You can view according C0866 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C0866 Mercedes-benz 219

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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