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B21B0 Engine Trouble Code

Meaning of B21B0 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.

B21B0 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 B21B0 code is occuring now you should check B21B0 repair processes.
Now don't ask yourself; What should you do with B21B0 code ?
The solution is here :

B21B0 Possible Solution:

B21B0 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.

B21B0 Code Meaning :

B 2 1 b 0
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Fuel Rail/System Pressure - Too High 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.

B21B0 OBD-II Diagnostic Body (B) Trouble Code Description

B21B0 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Main reason For B21B0 Code

The reason of B21B0 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

B21B0 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.