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C3120 Engine Trouble Code

Meaning of C3120 engine trouble code is a kind of chassis trouble code and when your car's 'C3120 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

C3120 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for C3120 code is occuring now you should check C3120 repair processes.
Now don't ask yourself; What should you do with C3120 code ?
The solution is here :

C3120 Possible Solution:

C3120 Engine

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

C3120 Code Meaning :

C 3 1 2 0
OBD-II Diagnostic Chassis (C) Trouble Code For Engine Ignition System Or Misfire Fuel Rail/System Pressure - Too High Turbocharger Boost Sensor A Circuit Low Shift Solenoid E Performance or Stuck Off

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

C3120 OBD-II Diagnostic Chassis (C) Trouble Code Description

C3120 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Main reason For C3120 Code

The reason of C3120 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

Parts or components should not be replaced with reference to only a C3120 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.