AutoCodes – Mercury – P1168 Mercury

P1168 Mercury Code - Fuel Rail Pressure Sensor Condition Low Pressure

Quick Answer

The Comprehensive Component Monitor (CCM) monitors the Fuel Rail Pressure (FRP) pressure for acceptable fuel pressure. Common causes include Faulty Fuel Rail Sensor, Fuel Rail Sensor harness is open or shorted, Fuel Rail Sensor 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: P1168 Mercury indicates Fuel Rail Pressure Sensor Condition Low Pressure.
Common causes: Common causes include Faulty Fuel Rail Sensor, Fuel Rail Sensor harness is open or shorted, Fuel Rail Sensor 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.

Save to My Repairs Step-by-Step Diagnostic Guide My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,574

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 May 06, 2019

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1168 Mercury Description

The Comprehensive Component Monitor (CCM) monitors the Fuel Rail Pressure (FRP) pressure for acceptable fuel pressure. The Engine Control Module (ECM) detected the fuel pressure was low for the operating condition. The test fails when the fuel pressure falls below a calibrated value.

OBDII Code P1168 Mercury - Fuel Rail Pressure Sensor Condition Low Pressure - AutoCodes.com — P1168 Mercury Code - Fuel Rail Pressure Sensor Condition Low Pressure

What does this mean?

What are the Possible Causes of the DTC P1168 Mercury?

Faulty Fuel Rail Sensor
Fuel Rail Sensor harness is open or shorted
Fuel Rail Sensor circuit poor electrical connection
Low or no fuel

How to Fix the DTC P1168 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 P1168 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 P1168 Mercury code?

Need more information on how to fix the P1168 Mercury code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1168 Mercury code diagnosed by a professional: Find a repair shop in your area

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.