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P1148 Engine Trouble Code

P1148 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 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.

P1148 Code Meaning :

P 1 1 4 8
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Fuel Rail/System Pressure - Too High Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Clutch Position Sensor Circuit Malfunction
 Engine

When you check car engine light came on code P1148 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P1148 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1148 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 P1148 code is occuring now you should check P1148 repair processes.
Now don't ask yourself; What should you do with P1148 code ?
The solution is here :

P1148 Possible Solution :

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.

P1148 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1148 OBD-II Trouble Code Closed Loop Control Function Bank 1 is one of the definitions for the P1148; however your vehicles manufacturer may have a different definition for the P1148 code. Please check below for your specific P1148 code.

Reason For P1148 Code

The reason of P1148 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

Parts or components should not be replaced with reference to only a P1148 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.