C3938 Engine Trouble Code
Meaning of C3938 engine trouble code is a kind of chassis trouble code and C3938 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.
C3938 Fault Symptoms :
If one of these reasons for C3938 code is occuring now you should check C3938 repair processes.
Now don't ask yourself; What should you do with C3938 code ?
The solution is here :
C3938 Possible Solution:
The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.
C3938 Code Meaning :
|OBD-II Diagnostic Chassis (C) Trouble Code For Engine||Ignition System Or Misfire||Injector Circuit Malfunction - Cylinders||Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)||Clutch Position Sensor Circuit Malfunction|
Regarding the C3938 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.
C3938 OBD-II Diagnostic Chassis (C) Trouble Code DescriptionC3938 engine trouble code is about Clutch Position Sensor Circuit Malfunction.
Main reason For C3938 CodeThe reason of C3938 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.
C3938 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.