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U2738 Engine Code Repair

Meaning of U2738 engine trouble code is a kind of network trouble code and when the check engine light comes U2738 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.

U2738 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 U2738 code is occuring now you should check U2738 repair processes.
Now don't ask yourself; What should you do with U2738 code ?
The solution is here :

U2738 Possible Solution:

U2738 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.

U2738 Code Meaning :

U
OBD-II Diagnostic Network (U) Trouble Code For Engine

2
Fuel And Air Metering (Injector Circuit Malfunctions Only)

7
Fuel Temperature Sensor B Circuit Range/Performance

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.

U2738 OBD-II Diagnostic Network (U) Trouble Code Description

U2738 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.

Main reason For U2738 Code

The reason of U2738 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

Parts or components should not be replaced with reference to only a U2738 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.