AutoCodes – Ford – P0188 2000 Ford F150

P0188 2000 Ford F150 Code - Engine Fuel Temperature Sensor B Circuit High Input

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: P0188 2000 Ford F150 indicates Engine Fuel Temperature Sensor B Circuit High Input.
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 1,943

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 P0188 2000 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 P0188 2000 Ford F150 - Engine Fuel Temperature Sensor B Circuit High Input - AutoCodes.com — P0188 2000 Ford F150 Code - Engine Fuel Temperature Sensor B Circuit High Input

What does this mean?

What are the Possible Causes of the DTC P0188 2000 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 P0188 2000 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 sensor circuit to the PCM for high voltage. If voltage were to exceed a calibrated limit and a calibrated amount of time during testing, the test will fail.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0188 2000 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 P0188 2000 Ford F150 code?

Need more information on how to fix the P0188 2000 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 P0188 2000 Ford F150 Code

1. What are the common symptoms of OBDII code P0188 on a 2000 Ford F150?

- Common symptoms include poor engine performance, decreased fuel efficiency, rough idling, and in some cases, the Check Engine Light may illuminate.

2. What does the OBDII code P0188 for a 2000 Ford F150 indicate?

- The code P0188 indicates a problem with the Engine Fuel Temperature Sensor B Circuit, specifically a high input signal detected.

3. What are the possible causes of OBDII code P0188 on a 2000 Ford F150?

- Possible causes include a faulty fuel temperature sensor, a wiring issue in the sensor circuit, a poor electrical connection, or a problem with the Engine Control Module (ECM).

4. How can I diagnose the OBDII code P0188 on my 2000 Ford F150?

- To diagnose the code P0188, you can use an OBDII scanner to retrieve the trouble codes, inspect the fuel temperature sensor and its wiring for any damage, and test the sensor's resistance and voltage.

5. Can I continue driving my 2000 Ford F150 with the OBDII code P0188?

- It is not recommended to drive your vehicle with the OBDII code P0188 present, as it can lead to poor engine performance and potential further damage if left unresolved.

6. How can I repair OBDII code P0188 on a 2000 Ford F150?

- Repairing the code P0188 may involve replacing the fuel temperature sensor, repairing any damaged wiring, ensuring a proper electrical connection, or resetting the ECM after fixing the issue.

7. Will resetting the Check Engine Light fix OBDII code P0188 on my 2000 Ford F150?

- Simply resetting the Check Engine Light will not fix the underlying issue causing code P0188. It is essential to diagnose and repair the root cause of the problem to prevent the code from reappearing.

8. Is it possible to prevent OBDII code P0188 from occurring on a 2000 Ford F150?

- While some causes of code P0188 are due to component wear or failure, regular maintenance, such as checking and cleaning electrical connections, can help prevent this code from occurring.

9. How long does it typically take to repair OBDII code P0188 on a 2000 Ford F150?

- The time it takes to repair code P0188 can vary depending on the exact cause of the issue and the availability of parts. In general, the repair process can take anywhere from a few hours to a day.

10. Can a DIY enthusiast repair OBDII code P0188 on a 2000 Ford F150?

- Depending on your skill level and access to tools, a DIY enthusiast may be able to repair code P0188 by following step-by-step guides, but it's recommended to consult a professional if unsure.