Is Something Wrong With the ECM?

Truck Won't Start

If it's not a fuel or battery issue, it's worth checking the ECM.

Dropping Fuel Economy

A failing ECM can’t correctly calculate fuel needed during the combustion process.

Stuttering Engine

It could be many things, but a bad ECM can cause engine stalling or misfiring

Check Engine Light

Can't find why that light is on? Could be an ECM issue.