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P0748 Engine Trouble Code

Meaning of P0748 engine trouble code is a kind of powertrain trouble code and P0748 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.

P0748 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for P0748 code is occuring now you should check P0748 repair processes.
Now don't ask yourself; What should you do with P0748 code ?
The solution is here :

P0748 Possible Solution:

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.

P0748 Code Meaning :

P	0	7	4	8
OBD-II Diagnostic Powertrain (P) 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 P0748 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.

P0748 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0748 OBD-II Trouble Code The line pressure solenoid valve A regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the Transmission Control Module (TCM). P0748 code.

Main reason For P0748 Code

The reason of P0748 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

P0748 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.

	Example: 0140