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P1143 Jeep Code - Fuel Rail Pressure Malfunction Positive Pressure Deviation

- Code Popularity: 2,720 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1143 Jeep?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
⚠ Does your Jeep have Safety Recalls? → Check here

How to Fix the DTC P1143 Jeep?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Search for P1143 Jeep Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1143 Jeep code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to 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

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code 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.

OBDII Code P1143 Jeep - Fuel Rail Pressure Malfunction Positive Pressure Deviation - AutoCodes.com
P1143 Jeep Code - Fuel Rail Pressure Malfunction Positive Pressure Deviation

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Code P1143 Jeep comments

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