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U142B Engine Trouble Code

Meaning of U142B engine trouble code is a kind of network trouble code and U142B 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.

U142B Fault Symptoms :

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

If one of these reasons for U142B code is occuring now you should check U142B repair processes.
Now don't ask yourself; What should you do with U142B code ?
The solution is here :

U142B 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.

U142B Code Meaning :

U	1	4	2	b
OBD-II Diagnostic Network (U) 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.

U142B OBD-II Diagnostic Network (U) Trouble Code Description

U142B engine trouble code is about .

Main reason For U142B Code

The reason of U142B OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

U142B 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