AutoCodes – Mercury – P018E Mercury

P018E Mercury Code - Fuel Pressure Sensor 'B' Circuit Intermittent/Erratic

Quick Answer

The Comprehensive Component Monitor (CCM) monitors the Fuel Lift Pump (FLP) circuit to the Powertrain Control Module for low voltage. Common causes include Faulty Fuel Pressure Sensor 'B', Fuel Pressure Sensor 'B' harness is open or shorted, Fuel Pressure Sensor 'B' circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P018E Mercury indicates Fuel Pressure Sensor 'B' Circuit Intermittent/Erratic.
Common causes: Common causes include Faulty Fuel Pressure Sensor 'B', Fuel Pressure Sensor 'B' harness is open or shorted, Fuel Pressure Sensor 'B' circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,126

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P018E Mercury Description

The Comprehensive Component Monitor (CCM) monitors the Fuel Lift Pump (FLP) circuit to the Powertrain Control Module for low voltage. The test fails if the voltage falls below a calibrated limit for a calibrated amount of time during testing.

OBDII Code P018E Mercury - Fuel Pressure Sensor 'B' Circuit Intermittent/Erratic - AutoCodes.com — P018E Mercury Code - Fuel Pressure Sensor 'B' Circuit Intermittent/Erratic

What does this mean?

What are the Possible Causes of the DTC P018E Mercury?

Faulty Fuel Pressure Sensor 'B'
Fuel Pressure Sensor 'B' harness is open or shorted
Fuel Pressure Sensor 'B' circuit poor electrical connection

How to Fix the DTC P018E Mercury?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P018E Mercury code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P018E Mercury code?

Need more information on how to fix the P018E Mercury code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P018E Mercury Code

1. What are the common symptoms of OBDII code P018E in a Mercury vehicle?

- Common symptoms include rough idling, reduced engine performance, stalling, and issues with starting the vehicle.

2. What does the OBDII code P018E indicate in a Mercury vehicle?

- The code indicates a problem with the Fuel Pressure Sensor 'B' Circuit, specifically intermittent or erratic readings.

3. What are the possible causes of OBDII code P018E in a Mercury vehicle?

- Potential causes include a faulty fuel pressure sensor, wiring issues, poor electrical connections, or a problem with the engine control module.

4. How can I diagnose the cause of OBDII code P018E in my Mercury vehicle?

- A thorough diagnostic process involving checking the sensor, inspecting wiring and connections, and performing tests with a multimeter or scan tool is recommended.

5. Can I continue driving my Mercury with OBDII code P018E present?

- It is not advisable to continue driving the vehicle with this code active, as it can lead to further engine problems and potential safety hazards.

6. How can I repair OBDII code P018E in my Mercury vehicle?

- Repair options may include replacing the fuel pressure sensor, repairing wiring or connections, or reprogramming the engine control module if necessary.

7. Are there any DIY tips for addressing OBDII code P018E in a Mercury vehicle?

- DIY tips may include checking and cleaning electrical connections, inspecting wiring for damage, and following manufacturer repair guides if attempting repairs at home.

8. What is the typical cost to repair OBDII code P018E in a Mercury vehicle?

- The cost of repair can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor at a repair shop.

9. Can a faulty fuel pressure sensor cause other issues in a Mercury vehicle besides triggering OBDII code P018E?

- Yes, a faulty fuel pressure sensor can lead to poor fuel economy, engine misfires, and potentially cause damage to other components if left unresolved.

10. How long does it take to fix OBDII code P018E in a Mercury vehicle?

- The repair time can vary based on the exact cause of the issue and the expertise of the technician, but it typically takes 1-2 hours to diagnose and repair the problem.