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DF899 Engine Trouble Code

Meaning of DF899 engine trouble code is : DF899 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.

DF899 Possible Solution:

DF899 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.

DF899 Code Meaning :

D f 8 9 9
For Engine Engine Oil Temperature Sensor Malfunction Crankshaft Position Sensor A Circuit Malfunction Reverse Input Circuit

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.

DF899 Description

DF899 engine trouble code is about Reverse Input Circuit.

Reason For DF899 Code

The reason of DF899 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

DF899 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.