• Dec 20, 2025 spn 3362 fmi 31 U). In this case, SPN 3362 typically relates to a sensor or system component associated with engine management, emissions, or other critical functions. FMI 31: Failure Mode Identifier (FMI) 31 indicates a "Data Valid But Below Normal Operating Range - Less Than the Minimum BY Marc Lind
• Apr 21, 2026 mid 130 psid 232 fmi 9 og pressure readings across different engine states. - Note any recent repairs or modifications. 3. Inspect Physical Components: - Check for leaks, damaged hoses, or disconnected wires. - Examine sensors for BY Constance Bernier