P1248 Engine Trouble Code
What is P1248?
With P1248, you may drive for several weeks with a malfunctioning MAF sensor, but expect decreased fuel economy and eventual stalling. Shop replacement costs $240–$400 depending on vehicle. The labour is straightforward, with most cost from the part itself.
Code Information
| Code Type: | OBD-II Powertrain (P) Trouble Code |
| System: | Powertrain |
| Code: | P1248 |
P1248 Symptoms
Check Engine Light
Illuminated dashboard warning
Engine Stalling
Engine stops unexpectedly or misfires
Performance Issues
Reduced power or acceleration
Starting Problems
Difficulty starting the engine
P1248 Code Structure
Understanding what each digit means in the P1248 powertrain trouble code:
| P | 1 | 2 | 4 | 8 |
|---|---|---|---|---|
| Powertrain Code | Fuel And Air Metering | Manifold Absolute Pressure/Barometric Pressure Circuit High Input | Injection Pump Fuel Metering Control 'B' High | Clutch Position Sensor Circuit Malfunction |
How to Fix P1248
Diagnostic Steps:
Poor running symptoms align with MAP sensor malfunction. In some cases, a faulty MAP sensor will not trigger a code. The issue may represent separate wiring concerns requiring individual diagnosis.
Repair Solution:
Gasoline engines use spark plugs to ignite fuel-air mixture. Proper timing ensures the explosion occurs when the piston is positioned correctly. Incorrect plug wire sequencing causes mistimed ignition, resulting in poor performance.
Technical Notes:
P1248 DTC specifically relates to camshaft timing. When cam timing is over-retarded, the check-engine light illuminates and this code sets. Verify VCT solenoid operation and check for contamination.
P1248 Description
P1248 OBD-II Trouble Code: Turbo Boost Pressure Not Detected is one of the definitions for the P1248; however your vehicles manufacturer may have a different definition for the P1248 code. Please check below for your specific m
Main Cause
The primary reason for P1248 OBD-II Engine Trouble Code is: Manifold Absolute Pressure/Barometric Pressure Circuit High Input.