P1838 Engine Code Repair
Meaning of P1838 engine trouble code is a kind of powertrain trouble code and when the check engine light comes P1838 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.
P1838 Fault Symptoms :
- Check engine light comes on
- Engine stalling or misfiring
- Engine performance issues
- Car not starting
If one of these reasons for P1838 code is occuring now you should check P1838 repair processes.
Now don't ask yourself; What should you do with P1838 code ?
The solution is here :
P1838 Possible Solution:
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.
P1838 Code Meaning :
P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine
1
Fuel And Air Metering
8
Fuel Rail Pressure Sensor Circuit Malfunction
3
Turbocharger Boost Sensor A Circuit Low
8
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
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.
P1838 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1838 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.Main reason For P1838 CodeThe reason of P1838 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction. |
Parts or components should not be replaced with reference to only a P1838 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.