The MAP sensor on the 7.3 Powerstroke is limited to around 22-24psi of boost. Once you start pushing the turbo beyond that range you will start getting a check engine light with overboost codes. The overboost codes then cause the PCM to start defueling which results in decreased performance. The way to fix this is…
Dodge & Cummins
Cummins and Powerstroke Experts
Dedicated to Diesel Performance
We provide performance modification guides, ranging from intake upgrades to turbo upgrades and compound setup guides.
We have owned numerous diesels over the years and love the older pre-emissions diesels. A 2002 7.3 Powerstroke F350 is our current project diesel and toy hauler.