P01B6

Alternative Fuel Rail Temperature Sensor Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Problems starting the engine
Reduced engine power
Increased fuel consumption

Causes

Fuel rail temperature sensor malfunction
Open or short circuit in wiring harness
Poor contact in sensor connectors
ECU malfunction

How to Fix

Check the integrity of the sensor wiring harness
Check the resistance of the fuel rail temperature sensor
Replace sensor if necessary
Check connections in connectors and clean contacts if necessary

Related codes

P01B5 P01B7 P0180