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AutoCodes - Generic - P0087

P0087 Code - Fuel Rail/System Pressure Too Low

- Code Popularity: 60,239 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0087?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty fuel pressure sensor
  • Faulty fuel pump
  • Fuel pressure sensor harness is open or shorted
  • Fuel pressure sensor electrical circuit poor connection
  • Blocked fuel filter
  • Fuel line restricted
  • Faulty fuel pressure regulator
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How to Fix the DTC P0087?

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.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0087 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.

What are Code Possible Symptoms?

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

Code P0087 Description

This fault code is stored in the Engine Control Module (ECM) when the fuel pressure is not as expected. Normally manufacturers will support data parameters for actual and desired fuel pressure. When there is a conflict the Engine Control Module stores a fault code.
A number of issues may cause this fault code to be set such as a faulty fuel rail pressure sensor, a mechanical fault with the inlet metering valve or rail pressure control solenoid could cause the valve to become stuck. An electrical fault such as an open circuit in the inlet metering valve or fuel pressure control solenoid on a system with a normally closed valve will also cause this situation. A short circuit on the control wire of a normally open inlet metering valve will also cause this fault.
A fault in the fuel injector return system causes the fuel pressure to be lower than expected. This causes fuel from the high-pressure circuit to be leaked back to the low-pressure circuit. A faulty maximum pressure relief valve will also cause this situation.
The high-pressure pump should also be tested to ensure it is capable of delivering the required volume of fuel.

OBDII Code P0087 - Fuel Rail/System Pressure Too Low - AutoCodes.com
P0087 Code - Fuel Rail/System Pressure Too Low

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Code P0087 comments

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