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B1937 Engine Code Repair

Meaning of B1937 engine trouble code is a kind of body trouble code and when the check engine light comes B1937 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

B1937 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 B1937 code is occuring now you should check B1937 repair processes.
Now don't ask yourself; What should you do with B1937 code ?
The solution is here :

B1937 Possible Solution:

B1937 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.

B1937 Code Meaning :

B 1 9 3 7
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering Engine Oil Temperature Sensor Malfunction Turbocharger Boost Sensor A Circuit Low Ignition Coil A Primary/Secondary Circuit Malfunction

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.

B1937 OBD-II Diagnostic Body (B) Trouble Code Description

B1937 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction.

Main reason For B1937 Code

The reason of B1937 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

Parts or components should not be replaced with reference to only a B1937 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.