AutoCodes – Ford – P0193 2010 Ford Fusion

P0193 2010 Ford Fusion Code - Fuel Rail Pressure Sensor Circuit High Input

Quick Answer

The FRP sensor is a diaphragm strain gauge device. Common causes include Low or no fuel, Faulty Rail Pressure (FRP) Sensor, FRP harness is open or shorted. 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: P0193 2010 Ford Fusion indicates Fuel Rail Pressure Sensor Circuit High Input.
Common causes: Common causes include Low or no fuel, Faulty Rail Pressure (FRP) Sensor, FRP harness is open or shorted.
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 4,334

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Apr 22, 2019

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
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Code P0193 2010 Ford Fusion Description

The FRP sensor is a diaphragm strain gauge device. The FRP sensor measures the pressure difference between the fuel rail and atmospheric pressure. The FRP sensor nominal output varies between 0.5 and 4.5 volts, with 0.5 volts corresponding to 0 MPa (0 psi) gauge and 4.5 volts corresponding to 26 MPa (3771 psi) gauge. The sensor can read vacuums and may lower the output voltage to slightly below 0.5 volts. This condition is normal and is usually the case after several hours of cold soak before the vehicle dome light is turned on. The FP module is energized at the same time the dome light is commanded on. A disabled or malfunctioning dome light does not affect the FP module control.
The FRP sensor is located on the fuel rail, and provides a feedback signal to indicate the fuel rail pressure to the Powertrain Control Module (PCM). The PCM uses the FRP signal to command the correct injector timing and pulse width for correct fuel delivery at all speed and load conditions. The FRP sensor, along with the fuel volume regulator (part of the fuel injection pump), form a closed loop fuel pressure control system. An electrically faulted FRP sensor results in the deactivation of the fuel injection pump. Fuel pressure to injectors is then provided only by the FP module. When the fuel injection pump is de-energized and the injectors are active, the fuel rail pressure is approximately 70 kPa (10 psi) lower than FP module pressure due to the pressure drop across the fuel injection pump. Thus, if the FP module pressure is 448 kPa (65 psi), then the fuel rail pressure would be approximately 379 kPa (55 psi) if the injectors are active.

OBDII Code P0193 2010 Ford Fusion - Fuel Rail Pressure Sensor Circuit High Input - AutoCodes.com — P0193 2010 Ford Fusion Code - Fuel Rail Pressure Sensor Circuit High Input

What does this mean?

What are the Possible Causes of the DTC P0193 2010 Ford Fusion?

Low or no fuel
Faulty Rail Pressure (FRP) Sensor
FRP harness is open or shorted
FRP circuit poor electrical connection
Faulty Fuel Pump

How to Fix the DTC P0193 2010 Ford Fusion?

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 P0193 2010 Ford Fusion 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 P0193 2010 Ford Fusion code?

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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 P0193 2010 Ford Fusion Code

1. What are the common symptoms of OBDII code P0193 in a 2010 Ford Fusion?

- Common symptoms include rough idling, engine stalling, loss of power, and poor fuel efficiency.

2. What does the OBDII code P0193 on a 2010 Ford Fusion mean?

- The code indicates a high input in the fuel rail pressure sensor circuit.

3. What are the possible causes of the P0193 code in a 2010 Ford Fusion?

- Possible causes include a faulty fuel rail pressure sensor, damaged wiring or connectors, fuel system issues, or a problem with the engine control module.

4. How can I diagnose the cause of the P0193 code in my 2010 Ford Fusion?

- Diagnose by checking the fuel rail pressure sensor, inspecting the wiring and connectors for damage, testing the fuel pressure, and scanning for any other related trouble codes.

5. Can I continue driving my 2010 Ford Fusion with the P0193 code?

- It is not recommended to continue driving with the P0193 code as it can lead to engine performance issues and potential damage.

6. How can I repair the P0193 code in my 2010 Ford Fusion?

- Repair options include replacing the fuel rail pressure sensor, repairing damaged wiring or connectors, addressing fuel system issues, or reprogramming the engine control module.

7. Will resetting the OBDII code P0193 in my 2010 Ford Fusion make it go away permanently?

- Resetting the code may temporarily remove the warning light, but if the underlying issue is not fixed, the code is likely to reappear.

8. How much does it typically cost to repair the P0193 code in a 2010 Ford Fusion?

- Repair costs can vary depending on the exact cause of the issue, but expect to budget for sensor replacement, wiring repairs, or other related repairs.

9. Can a DIY enthusiast fix the P0193 code in a 2010 Ford Fusion?

- DIY enthusiasts with automotive experience may be able to diagnose and address simple causes of the code, such as sensor replacement or basic wiring repairs.

10. Is it necessary to take my 2010 Ford Fusion to a dealership for the P0193 code repair?

- While a dealership can provide specialized expertise, independent mechanics with experience in Ford vehicles can also effectively diagnose and repair the P0193 code.