Learn what SPN 95 FMI 15 means, its causes, and how to fix it. Follow our simple guide to resolve the issue and get your equipment running smoothly again.
SPN 95 FMI 15 indicates a fault with the Fuel Temperature Sensor Circuit – Voltage Intermittent. This means the engine control module (ECM) is detecting inconsistent or intermittent voltage signals from the fuel temperature sensor, which monitors fuel temperature to optimize combustion and emissions.
Common causes include:
To resolve this fault:
Prevent this fault by: