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C1120 Engine Trouble Code

Meaning of C1120 engine trouble code is a kind of chassis trouble code and C1120 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

C1120 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 C1120 code is occuring now you should check C1120 repair processes.
Now don't ask yourself; What should you do with C1120 code ?
The solution is here :

C1120 Possible Solution:

C1120 Engine

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

C1120 Code Meaning :

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

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

C1120 OBD-II Diagnostic Chassis (C) Trouble Code Description

C1120 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Main reason For C1120 Code

The reason of C1120 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

C1120 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.