AutoCodes – Ford – P0181 1999 Ford F150

P0181 1999 Ford F150 Code - Engine Fuel Temperature Sensor 'A' Circuit Range/ Performance

Quick Answer

The comprehensive component monitor (CCM) monitors the Engine Fuel Temperature (EFT) Sensor circuit to the Powertrain Control Module (PCM) for low and high voltage. Common causes include Faulty Engine Fuel Temperature Sensor, Engine Fuel Temperature Sensor harness is open or shorted, Engine Fuel Temperature 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: P0181 1999 Ford F150 indicates Engine Fuel Temperature Sensor 'A' Circuit Range/ Performance.
Common causes: Common causes include Faulty Engine Fuel Temperature Sensor, Engine Fuel Temperature Sensor harness is open or shorted, Engine Fuel Temperature 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.

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Code Popularity 3,168

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 Jun 14, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0181 1999 Ford F150 Description

The comprehensive component monitor (CCM) monitors the Engine Fuel Temperature (EFT) Sensor circuit to the Powertrain Control Module (PCM) for low and high voltage. If voltage were to fall below or exceed a calibrated limit and amount of time during testing, the test will fail. Open or short in harness. Low ambient temperature operation.

OBDII Code P0181 1999 Ford F150 - Engine Fuel Temperature Sensor 'A' Circuit Range/ Performance - AutoCodes.com — P0181 1999 Ford F150 Code - Engine Fuel Temperature Sensor 'A' Circuit Range/ Performance

What does this mean?

What are the Possible Causes of the DTC P0181 1999 Ford F150?

Faulty Engine Fuel Temperature Sensor
Engine Fuel Temperature Sensor harness is open or shorted
Engine Fuel Temperature Sensor circuit poor electrical connection

How to Fix the DTC P0181 1999 Ford F150?

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 does this mean?

Code Tech Notes

The comprehensive component monitor (CCM) monitors the EFT Temperature for acceptable operating temperature. If during testing voltage were to fall below or exceed a calibrated limit, a calibrated amount of time the test will fail.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0181 1999 Ford F150 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 P0181 1999 Ford F150 code?

Need more information on how to fix the P0181 1999 Ford F150 code? Get Access to Factory Service Manuals

Need Help with the 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 P0181 1999 Ford F150 Code

1. What are the common symptoms of OBDII code P0181 in a 1999 Ford F150?

- Common symptoms include poor engine performance, decreased fuel efficiency, rough idling, and illuminated check engine light.

2. What does the OBDII code P0181 indicate in a 1999 Ford F150?

- The P0181 code indicates an issue with the Engine Fuel Temperature Sensor 'A' Circuit Range/Performance in a 1999 Ford F150.

3. What are the possible causes of OBDII code P0181 in a 1999 Ford F150?

- The code P0181 can be triggered by a faulty fuel temperature sensor, wiring issues, a malfunctioning PCM, or a problem with the fuel temperature sensor circuit.

4. How can I diagnose the OBDII code P0181 in my 1999 Ford F150?

- Diagnosing the P0181 code involves checking the fuel temperature sensor for proper operation, inspecting the wiring for any damage or corrosion, and testing the circuit for continuity.

5. Can I drive my 1999 Ford F150 with the OBDII code P0181?

- It is not recommended to drive your vehicle with the P0181 code as it can lead to poor engine performance and reduced fuel efficiency.

6. How can I repair the OBDII code P0181 in my 1999 Ford F150?

- Repairing the P0181 code may involve replacing the fuel temperature sensor, repairing any damaged wiring, or addressing any issues with the PCM.

7. Will resetting the check engine light fix the OBDII code P0181 in my 1999 Ford F150?

- Simply resetting the check engine light will not fix the underlying issue causing the P0181 code. Proper diagnosis and repair are necessary to resolve the problem.

8. Are there any DIY tips for fixing the OBDII code P0181 in a 1999 Ford F150?

- While some simple checks like inspecting wiring connections can be done by DIY enthusiasts, diagnosing and repairing the P0181 code may require professional assistance due to the complexity of the system.

9. How much does it typically cost to repair the OBDII code P0181 in a 1999 Ford F150?

- The cost of repairing the P0181 code can vary depending on the specific cause of the issue, but it may range from around $100 to $300 or more, including parts and labor.

10. Can I prevent the OBDII code P0181 from recurring in my 1999 Ford F150?

- Regular maintenance, such as checking and replacing the fuel temperature sensor as recommended by the manufacturer, can help prevent the recurrence of the P0181 code in your 1999 Ford F150.