Code Search

Please fill the "Code Box" to find engine fault code.

Car Models :

Please select your car.

How To Clear Check Engine Lights ?

Ways to clear check engine light on car panel.

Check Engine Light Dictionary

Ways to clear check engine light on car panel.

P142A Engine Trouble Code

Meaning of P142A engine trouble code is a kind of powertrain trouble code and P142A 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.

P142A Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for P142A code is occuring now you should check P142A repair processes.
Now don't ask yourself; What should you do with P142A code ?
The solution is here :

P142A Possible Solution:

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.

P142A Code Meaning :

P	1	4	2	a
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine	Fuel And Air Metering	O2 Sensor Heater Circuit Malfunction	Turbocharger Boost Sensor A Circuit Low

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.

P142A OBD-II Diagnostic Powertrain (P) Trouble Code Description

P142A engine trouble code is about .

Main reason For P142A Code

The reason of P142A OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

P142A code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

	Example: 0140