Fuel Rail Pressure Malfunction Positive Pressure Deviation
Table of contents
P1143 JEEP Possible Causes
- Incorrect fuel pressure
- Faulty Fuel Rail Pressure Solenoid
- Fuel Rail Pressure Solenoid harness is open or shorted
- Fuel Rail Pressure Solenoid circuit poor electrical connection
- Air in fuel system
How do I fix code P1143 JEEP?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1143 JEEP code
The cost of diagnosing the P1143 JEEP code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected
The Engine Control Module (ECM) has determined that the fuel rail pressure is too high for a specific condition
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1143 JEEP Description
Fuel Rail Pressure Malfunction Positive Pressure Deviation is the generic description for the P1143 Jeep code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information about the P1143 Jeep OBDII code.Still have questions? Please post your question on our Comments Section below for more information.