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B0300 Engine Trouble Code

Meaning of B0300 engine trouble code is a kind of body trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

B0300 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 B0300 code is occuring now you should check B0300 repair processes.
Now don't ask yourself; What should you do with B0300 code ?
The solution is here :

B0300 Possible Solution:

B0300 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.

B0300 Code Meaning :

B 0 3 0 0
OBD-II Diagnostic Body (B) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Throttle/Pedal Position Sensor/Switch A Circuit Intermittent Cold Start Injector 1 Malfunction Shift Solenoid E Performance or Stuck Off

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

B0300 OBD-II Diagnostic Body (B) Trouble Code Description

B0300 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Main reason For B0300 Code

The reason of B0300 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.

B0300 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.