B1938 Engine Trouble Code
Meaning of B1938 engine trouble code is : 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 $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.
B1938 Possible Solution:
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.
B1938 Code Meaning :
|OBD-II Diagnostic Body (B) Trouble Code For Engine||Fuel And Air Metering||Injector Circuit Malfunction - Cylinders||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.
B1938 OBD-II Diagnostic Body (B) Trouble Code DescriptionB1938 engine trouble code is about Clutch Position Sensor Circuit Malfunction.
Reason For B1938 CodeThe reason of B1938 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.
Parts or components should not be replaced with reference to only a B1938 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.