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U3738 Engine Trouble Code

Meaning of U3738 engine trouble code is a kind of network trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

U3738 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 U3738 code is occuring now you should check U3738 repair processes.
Now don't ask yourself; What should you do with U3738 code ?
The solution is here :

U3738 Possible Solution:

U3738 Engine

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

U3738 Code Meaning :

U 3 7 3 8
OBD-II Diagnostic Network (U) Trouble Code For Engine Ignition System Or Misfire Fuel Rail Pressure Sensor Circuit Malfunction Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector) Clutch Position Sensor 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.

U3738 OBD-II Diagnostic Network (U) Trouble Code Description

U3738 engine trouble code is about Clutch Position Sensor Circuit Malfunction.

Main reason For U3738 Code

The reason of U3738 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

Parts or components should not be replaced with reference to only a U3738 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.