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P0285 Engine Trouble Code

Meaning of P0285 engine trouble code is : P0285 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.

P0285 Possible Solution:

P0285 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.

P0285 Code Meaning :

P 0 2 8 5
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Manifold Absolute Pressure/Barometric Pressure Circuit High Input Ignition/Distributor Engine Speed Input Circuit Malfunction Crankshaft Position Sensor B Circuit 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.

P0285 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0285 OBD-II Trouble Code Code P0285 is triggered when the Engine Control Module ( P0285 code.

Reason For P0285 Code

The reason of P0285 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.

P0285 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.