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U1120 Engine Trouble Code

Meaning of U1120 engine trouble code is a kind of network trouble code and U1120 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.

U1120 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 U1120 code is occuring now you should check U1120 repair processes.
Now don't ask yourself; What should you do with U1120 code ?
The solution is here :

U1120 Possible Solution:

U1120 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.

U1120 Code Meaning :

U 1 1 2 0
OBD-II Diagnostic Network (U) 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.

U1120 OBD-II Diagnostic Network (U) Trouble Code Description

U1120 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Main reason For U1120 Code

The reason of U1120 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

U1120 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.