AutoCodes – Ford – P0187 Ford

P0187 Ford Code - Engine Fuel Temperature Sensor 'B' Circuit Low 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: P0187 Ford indicates Engine Fuel Temperature Sensor 'B' Circuit Low 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 4,283

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
Cost to Diagnose
Comments
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Code P0187 Ford 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 P0187 Ford - Engine Fuel Temperature Sensor 'B' Circuit Low Input - AutoCodes.com — P0187 Ford Code - Engine Fuel Temperature Sensor 'B' Circuit Low Input

What does this mean?

What are the Possible Causes of the DTC P0187 Ford?

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 P0187 Ford?

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 P0187 Ford 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 P0187 Ford code?

Need more information on how to fix the P0187 Ford code? Get Access to Factory Service Manuals

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Information for Specific Ford Models

P0187 1997 Ford F150 — Engine Fuel Temperature Sensor B Circuit Low Input
P0187 1998 Ford F150 — Engine Fuel Temperature Sensor B Circuit Low Input
P0187 1999 Ford F150 — Engine Fuel Temperature Sensor B Circuit Low Input
P0187 2000 Ford F150 — Engine Fuel Temperature Sensor B Circuit Low Input
P0187 2001 Ford F150 — Engine Fuel Temperature Sensor B Circuit Low Input
P0187 2002 Ford F150 — Engine Fuel Temperature Sensor B Circuit Low Input
P0187 2003 Ford F150 — Engine Fuel Temperature Sensor B Circuit Low Input

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.