Useful articles and Training courses about Diesel engines

Fault Codes

What is SPN and FMI?

Does your diagnostic system display engine Fault Codes as SPN and FMI? Learn how to decode SPN and FMI and identify the problem!

Cummins ISX Fault Code 1922

Aftertreatment 1 Diesel Particulate Filter Differential Pressure – Data Valid But Above Normal Operating Range – Most Severe Level

Cummins X15 Fault codes 3714 and 3712

Have you been working on a Cummins ISX15 or QSX15 with fault codes 3714 and 3712 and you want to know how to fix and clear them? Read my guide and get this engine on the road again!

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