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B3171 Engine Code Repair

Meaning of B3171 engine trouble code is a kind of body trouble code and when your car's 'B3171 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

B3171 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 B3171 code is occuring now you should check B3171 repair processes.
Now don't ask yourself; What should you do with B3171 code ?
The solution is here :

B3171 Possible Solution:

B3171 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.

B3171 Code Meaning :

B 3 1 7 1
OBD-II Diagnostic Body (B) Trouble Code For Engine Ignition System Or Misfire Ambient Air Temperature Sensor Circuit Low Cylinder 4 Contribution/Balance Fault Shift Solenoid E Performance or Stuck Off

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

B3171 OBD-II Diagnostic Body (B) Trouble Code Description

B3171 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Main reason For B3171 Code

The reason of B3171 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

B3171 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.