CAR OBD CODES
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OBD CODES

CAR OBD CODES



OBD/DTC Search, e.g.P0312

CAR OBD CODES P0312

P0312 OBD Code Definition:
P0312 Cylinder 12 Misfire Condition
P0312 OBD Code Description:

OBD Code P0312

Cylinder 12 Misfire Detected

What’s mean?

OBD2 Code P0312 Definition:
A P0312 code means that the the car’s computer has detected that one of the engine’s cylinders is not firing properly. In this case it’s cylinder #12. Symptoms

Possible sumptoms of P0312
the engine may be harder to start the engine may stumble / stumble, and/or hesitate other symptoms may also be present Possible Causes

Possible causes of P0312
A code P0312 may mean that one or more of the following has happened: Faulty spark plug or wire Faulty coil (pack) Faulty oxygen sensor(s) Faulty fuel injector Burned exhaust valve Faulty catalytic converter(s) Running out of fuel Poor compression Defective computer Possible Solutions

If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back. If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I’ve also heard in other cases the problems were faulty fuel injectors. OBD-II Codes

P0300
Note: The information on the P0312 error code is purely informative, if you need more useful information, please consult your technician.

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