よくある質問

SPN 3662 FMI 5 FAQs

What does SPN 3662 FMI 5 mean?

SPN 3662 FMI 5 indicates an abnormal operation in the injector cylinder #4 amplifier control valve, typically meaning it's stuck open.

How do I fix SPN 3662 FMI 5?

First, inspect the wiring and connections to the valve. If those are fine, the valve itself may need cleaning or replacement.

Can I drive with SPN 3662 FMI 5?

While possible, it's not recommended as it can lead to poor engine performance and potential damage to cylinder #4.