P0187

Fuel Temperature Sensor B Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Difficulty starting the engine

Causes

Fuel temperature sensor B malfunction
Open or short circuit in wiring harness
Poor contact in the sensor connector
ECU malfunction

How to Fix

Check the integrity of the sensor wiring harness
Check the connections in the sensor connector
Replace fuel temperature sensor B if necessary
Check the operation of the computer

Related codes

P0185 P0186 P0188