P1287 – Jeep DTC

Jeep DTC P1287 – Fuel Injection Pump Controller Supply Voltage Low

DTC P1287 meaning on Jeep

DTC P1287 on a Jeep indicates that the Fuel Injection Pump Controller Supply Voltage is low. This fault code is specific to the fuel injection system and points to an issue with the voltage supply to the fuel injection pump controller.

Jeep DTC P1287 symptoms

Symptoms of DTC P1287 on a Jeep may include:

• Check Engine Light illuminated
• Engine running rough or misfiring
• Reduced engine performance
• Difficulty starting the engine

Jeep DTC P1287 causes

Common causes of DTC P1287 on a Jeep include:

• Faulty fuel injection pump controller
• Wiring or connection issues in the fuel injection system
• Low voltage supply from the battery or alternator

Jeep DTC P1287 seriousness

DTC P1287 should be addressed promptly as it can lead to drivability issues and potential engine damage if left unresolved. Ignoring this fault code may result in poor engine performance and fuel efficiency.

How to diagnose DTC P1287 on Jeep

To diagnose DTC P1287 on a Jeep, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and related data
2. Inspect the fuel injection pump controller for any visible damage
3. Check the wiring and connections in the fuel injection system for any issues
4. Test the voltage supply to the fuel injection pump controller

How to fix DTC P1287 on Jeep

To fix DTC P1287 on a Jeep, the following steps may be taken:

1. Replace the faulty fuel injection pump controller if necessary
2. Repair any damaged wiring or connections in the fuel injection system
3. Ensure the battery and alternator are providing the correct voltage supply
4. Clear the fault code and test drive the vehicle to confirm the issue is resolved

How to erase DTC P1287 on Jeep

To erase DTC P1287 on a Jeep, follow these steps:

1. Use a diagnostic scanner to clear the fault code
2. If the underlying issue has been fixed, the Check Engine Light should turn off
3. Perform a test drive to ensure the fault code does not return

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