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C3948 Engine Trouble Code

Meaning of C3948 engine trouble code is a kind of chassis trouble code and C3948 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,200. Taking your car into a shop will cost you around $210 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.

C3948 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 C3948 code is occuring now you should check C3948 repair processes.
Now don't ask yourself; What should you do with C3948 code ?
The solution is here :

C3948 Possible Solution:

C3948 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.

C3948 Code Meaning :

C 3 9 4 8
OBD-II Diagnostic Chassis (C) Trouble Code For Engine Ignition System Or Misfire Injector Circuit Malfunction - Cylinders Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Clutch Position Sensor Circuit Malfunction

Regarding the C3948 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.

C3948 OBD-II Diagnostic Chassis (C) Trouble Code Description

C3948 engine trouble code is about Clutch Position Sensor Circuit Malfunction.

Main reason For C3948 Code

The reason of C3948 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

Parts or components should not be replaced with reference to only a C3948 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.