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U0874 Engine Trouble Code

Meaning of U0874 engine trouble code is a kind of network trouble code and U0874 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 $2,140 and you can't do it yourself unless you're an experienced mechanic.

U0874 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 U0874 code is occuring now you should check U0874 repair processes.
Now don't ask yourself; What should you do with U0874 code ?
The solution is here :

U0874 Possible Solution:

U0874 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.

U0874 Code Meaning :

U 0 8 7 4
OBD-II Diagnostic Network (U) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Engine Oil Temperature Sensor Malfunction Cylinder 10 Contribution/balance Fault Timing Reference High Resolution Signal A Too Many Pulses

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.

U0874 OBD-II Diagnostic Network (U) Trouble Code Description

U0874 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For U0874 Code

The reason of U0874 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

U0874 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.