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P12BF Engine Code Repair

Meaning of P12BF engine trouble code is a kind of powertrain trouble code and P12BF 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 $2,140 and you can't do it yourself unless you're an experienced mechanic.

P12BF 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 P12BF code is occuring now you should check P12BF repair processes.
Now don't ask yourself; What should you do with P12BF code ?
The solution is here :

P12BF Possible Solution:

P12BF Engine

Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.

P12BF Code Meaning :

P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine

1
Fuel And Air Metering

2
Fuel Rail/System Pressure - Too High

b

f

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

P12BF OBD-II Diagnostic Powertrain (P) Trouble Code Description

P12BF engine trouble code is about .

Main reason For P12BF Code

The reason of P12BF OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

P12BF DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.