Engine-Codes.com
Engine-Codes – Ford – P1155 Ford

P1155 Ford Code - Alternative Fuel Controller

Quick Answer

The P1155 Ford diagnostic trouble code indicates an issue with the Alternative Fuel Controller on a Ford vehicle. Common causes include Faulty fuel pressure regulator, Clogged fuel filter, Malfunctioning fuel pump. 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
P1155 Ford indicates Alternative Fuel Controller.
Common causes
Common causes include Faulty fuel pressure regulator, Clogged fuel filter, Malfunctioning fuel pump.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1155 Ford Description

The P1155 Ford diagnostic trouble code indicates an issue with the Alternative Fuel Controller on a Ford vehicle. The Alternative Fuel Controller is responsible for managing the flow of alternative fuels, such as ethanol or biodiesel, into the engine for combustion. When this code is triggered, it typically means that there is a malfunction in the system that could lead to improper fuel delivery, affecting the vehicle's performance.

OBDII Code P1155 Ford - Alternative Fuel Controller
P1155 Ford Code - Alternative Fuel Controller

Common Causes of P1155 Ford

  1. Faulty fuel pressure regulator
  2. Clogged fuel filter
  3. Malfunctioning fuel pump
  4. Problem with fuel injectors
  5. Wiring or electrical issues

Symptoms of P1155 Ford

  1. Decreased fuel efficiency
  2. Engine misfires
  3. Rough idling
  4. Engine stalling
  5. Illuminated check engine light

How to Fix P1155 Ford

  1. Diagnose the issue by using a scan tool to retrieve the specific trouble code and identify the underlying cause.
  2. Inspect the fuel pressure regulator, fuel filter, fuel pump, and fuel injectors for any signs of damage or malfunction.
  3. Replace any faulty components, such as a defective fuel pressure regulator or clogged fuel filter.
  4. Clear the trouble code from the vehicle's computer using the scan tool.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the code does not reappear.

Cost to Fix P1155 Ford

The cost of repairing a P1155 Ford code can vary depending on the underlying cause of the issue and the cost of parts and labor. On average, the repair for this code can range from $200 to $500, including parts and labor. It is important to note that diagnostic time and labor rates at auto repair shops can vary, so it is recommended to check with local shops for a more accurate estimate. Additionally, rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive prices.

Need more information about the P1155 Ford code?

Need more information on how to fix the P1155 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1155 Ford 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.

Frequently Asked Questions about P1155 Ford Code

1. What does the OBDII code P1155 for Ford mean?

The P1155 code in a Ford vehicle refers to an issue with the Alternative Fuel Controller.

2. What are the common symptoms of a P1155 Ford fault?

Common symptoms of a P1155 fault may include poor engine performance, decreased fuel efficiency, and illuminated check engine light.

3. What are the possible causes of the P1155 code in a Ford vehicle?

The P1155 code in a Ford can be triggered by a faulty Alternative Fuel Controller, wiring issues, or a problem with the fuel system.

4. How do I diagnose a P1155 fault in my Ford?

Diagnosing a P1155 fault typically involves using an OBDII scanner to read the code, inspecting the wiring around the Alternative Fuel Controller, and testing the fuel system components.

5. Can I continue driving my Ford with a P1155 fault?

While the vehicle may still be drivable with a P1155 fault, it is recommended to address the issue promptly to prevent potential damage to the engine or catalytic converter.

6. How can I repair a P1155 fault in my Ford?

Repairing a P1155 fault may involve replacing the Alternative Fuel Controller, repairing any damaged wiring, or addressing issues with the fuel system components.

7. Are there any DIY tips for fixing a P1155 fault in a Ford?

DIY tips for fixing a P1155 fault include checking and cleaning the connectors around the Alternative Fuel Controller, ensuring proper fuel system maintenance, and following the manufacturer's repair guidelines.

8. How much does it typically cost to repair a P1155 fault in a Ford?

The cost of repairing a P1155 fault in a Ford can vary depending on the specific issue, parts needed, and labor costs, but it may range from $150 to $500.

9. Can a P1155 fault cause other problems in my Ford if left unresolved?

If left unresolved, a P1155 fault can potentially lead to decreased engine performance, higher emissions, and further damage to the vehicle's components over time.

10. How often does the P1155 code occur in Ford vehicles?

The occurrence of the P1155 code in Ford vehicles can vary, but it is not uncommon and may be encountered by owners of vehicles equipped with alternative fuel systems.

Discuss the causes and fixes for P1155 Ford OBDII Code

Submit a New Comment

Code P1155 Ford comments

No comments found for this page.