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P1442 Engine Trouble Code

Meaning of P1442 engine trouble code is : P1442 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.

P1442 Possible Solution:

P1442 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.

P1442 Code Meaning :

P 1 4 4 2
OBD-II Diagnostic Powertrain (P) 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.

P1442 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1442 OBD-II Trouble Code Evaporative Emission Control System Leak Detected is one of the definitions for the P1442; however your vehicles manufacturer may have a different definition for the P1442 code. Please check below for P1442 code.

Reason For P1442 Code

The reason of P1442 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

P1442 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.