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C2748 Engine Code Repair

Meaning of C2748 engine trouble code is a kind of chassis trouble code and when the check engine light comes C2748 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.

C2748 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 C2748 code is occuring now you should check C2748 repair processes.
Now don't ask yourself; What should you do with C2748 code ?
The solution is here :

C2748 Possible Solution:

C2748 Engine

Excessive air inflow can be caused by a vacuum leak, a dirty sensor or, an exhaust gas recirculation valve not closing properly. If the problem is not enough fuel, the culprit may be dirty injectors or fuel filters, a weak fuel pump or a leaky fuel pressure regulator. The lean fuel mix error may be accompanied by rough idling, engine misfires, hesitation during acceleration and overall poor engine performance.

C2748 Code Meaning :

C
OBD-II Diagnostic Chassis (C) Trouble Code For Engine

2
Fuel And Air Metering (Injector Circuit Malfunctions Only)

7
Fuel Temperature Sensor B Circuit Range/Performance

4
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

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.

C2748 OBD-II Diagnostic Chassis (C) Trouble Code Description

C2748 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.

Main reason For C2748 Code

The reason of C2748 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

C2748 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.