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U1442 Engine Trouble Code

Meaning of U1442 engine trouble code is a kind of network trouble code and U1442 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.

U1442 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 U1442 code is occuring now you should check U1442 repair processes.
Now don't ask yourself; What should you do with U1442 code ?
The solution is here :

U1442 Possible Solution:

U1442 Engine

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

U1442 Code Meaning :

U 1 4 4 2
OBD-II Diagnostic Network (U) Trouble Code For Engine Fuel And Air Metering O2 Sensor Heater Circuit Malfunction Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Glow Plug/Heater Circuit 'A' Malfunction

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.

U1442 OBD-II Diagnostic Network (U) Trouble Code Description

U1442 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Main reason For U1442 Code

The reason of U1442 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

U1442 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.