AutoCodes – Ford – P0181 1998 Ford F150

P0181 1998 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 1998 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 2,833

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 1998 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 1998 Ford F150 - Engine Fuel Temperature Sensor 'A' Circuit Range/ Performance - AutoCodes.com — P0181 1998 Ford F150 Code - Engine Fuel Temperature Sensor 'A' Circuit Range/ Performance

What does this mean?

What are the Possible Causes of the DTC P0181 1998 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 1998 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 1998 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 1998 Ford F150 code?

Need more information on how to fix the P0181 1998 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 1998 Ford F150 Code

1. What are the common symptoms of OBDII code P0181 on a 1998 Ford F150?

The common symptoms of code P0181 include poor fuel economy, rough idling, engine stalling, and an illuminated check engine light.

2. What does the Engine Fuel Temperature Sensor 'A' Circuit Range/Performance code P0181 indicate?

Code P0181 indicates that the fuel temperature sensor 'A' circuit is experiencing a range/performance issue, which can affect fuel delivery and engine performance.

3. What are the possible causes of OBDII code P0181 on a 1998 Ford F150?

Possible causes of code P0181 include a faulty fuel temperature sensor, damaged wiring or connectors in the sensor circuit, issues with the fuel temperature sensor circuit itself, or a problem with the PCM (powertrain control module).

4. How can I diagnose the cause of OBDII code P0181 on my 1998 Ford F150?

To diagnose code P0181, you can start by checking the fuel temperature sensor and its wiring for any visible damage or corrosion. You may also use a multimeter to test the sensor's resistance and voltage values.

5. Can I drive my 1998 Ford F150 with OBDII code P0181?

While it may be possible to drive with code P0181, it is not recommended as it can lead to poor engine performance and potentially affect fuel delivery. It is best to address the issue promptly.

6. How do I repair OBDII code P0181 on my 1998 Ford F150?

Repairing code P0181 typically involves replacing the faulty fuel temperature sensor, repairing any damaged wiring or connectors, or addressing any issues in the sensor circuit as needed.

7. Will resetting the check engine light fix OBDII code P0181 on a 1998 Ford F150?

Resetting the check engine light may temporarily clear the code, but it will not fix the underlying issue causing code P0181. It is important to diagnose and address the root cause of the problem.

8. How much does it cost to repair OBDII code P0181 on a 1998 Ford F150?

The cost of repairing code P0181 can vary depending on the cause of the issue, the cost of parts, and labor rates. It is recommended to consult a mechanic for an accurate cost estimate.

9. Can a DIY enthusiast fix OBDII code P0181 on a 1998 Ford F150?

DIY enthusiasts with the necessary tools and knowledge of automotive repair may be able to fix code P0181 themselves by following diagnostic procedures and replacing the faulty components.

10. How often does OBDII code P0181 occur in a 1998 Ford F150?

Code P0181 can occur intermittently or persistently depending on the severity of the issue causing the fault. Regular maintenance and prompt repairs can help prevent the recurrence of this code.