P1237 Engine Code Repair
Meaning of P1237 engine trouble code is a kind of powertrain trouble code and when your car's 'P1237 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.
P1237 Fault Symptoms :
- Check engine light comes on
- Engine stalling or misfiring
- Engine performance issues
- Car not starting
If one of these reasons for P1237 code is occuring now you should check P1237 repair processes.
Now don't ask yourself; What should you do with P1237 code ?
The solution is here :
P1237 Possible Solution:
Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.
P1237 Code Meaning :
P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine
1
Fuel And Air Metering
2
Fuel Rail/System Pressure - Too High
3
Turbocharger Boost Sensor A Circuit Low
7
Ignition Coil A Primary/Secondary Circuit Malfunction
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.
P1237 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1237 OBD-II Trouble Code Fuel Pump Secondary Circuit Malfunction is one of the definitions for the P1237; however your vehicles manufacturer may have a different definition for the P1237 code. Please check below for your spec P1237 code.Main reason For P1237 CodeThe reason of P1237 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High. |
P1237 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.