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U0748 Engine Trouble Code

Meaning of U0748 engine trouble code is a kind of network trouble code and U0748 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.

U0748 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 U0748 code is occuring now you should check U0748 repair processes.
Now don't ask yourself; What should you do with U0748 code ?
The solution is here :

U0748 Possible Solution:

U0748 Engine

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

U0748 Code Meaning :

U 0 7 4 8
OBD-II Diagnostic Network (U) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Fuel Rail Pressure Sensor Circuit Malfunction Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Clutch Position Sensor Circuit Malfunction

Regarding the U0748 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.

U0748 OBD-II Diagnostic Network (U) Trouble Code Description

U0748 engine trouble code is about Clutch Position Sensor Circuit Malfunction.

Main reason For U0748 Code

The reason of U0748 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

U0748 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.