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B3579 Engine Trouble Code

Meaning of B3579 engine trouble code is a kind of body trouble code and B3579 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.

B3579 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for B3579 code is occuring now you should check B3579 repair processes.
Now don't ask yourself; What should you do with B3579 code ?
The solution is here :

B3579 Possible Solution:

B3579 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.

B3579 Code Meaning :

B 3 5 7 9
OBD-II Diagnostic Body (B) Trouble Code For Engine Ignition System Or Misfire Fuel Composition Sensor Circuit Malfunction Cylinder 10 Contribution/balance Fault 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.

B3579 OBD-II Diagnostic Body (B) Trouble Code Description

B3579 engine trouble code is about Reverse Input Circuit.

Main reason For B3579 Code

The reason of B3579 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

B3579 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.