Logo

U0148 Engine Code Repair

Meaning of U0148 engine trouble code is a kind of network trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

U0148 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 U0148 code is occuring now you should check U0148 repair processes.
Now don't ask yourself; What should you do with U0148 code ?
The solution is here :

U0148 Possible Solution:

U0148 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.

U0148 Code Meaning :

U
OBD-II Diagnostic Network (U) Trouble Code For Engine

0
Intake Valve Control Solenoid Circuit Low

1
Ambient Air Temperature Sensor Circuit Low

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

8
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

Regarding the U0148 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.

U0148 OBD-II Diagnostic Network (U) Trouble Code Description

U0148 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.

Main reason For U0148 Code

The reason of U0148 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

U0148 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.