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My MAP drops to 0 if it goes over 75 inwg when monitoring with a dashboss. The boost pressure also goes to 0. I replaced the MAP sensor and checked the line and the port on the intake manifold. The truck is running great. When I pull a heavy trailer it will trip the Power Train Code: P0299 Turbocharger/Supercharger A Underboost Condition. The truck is a F350 2006 with 75,000 miles and is stock. Thanks for any help you can provide.
If that is the case why does the boost pressure also go to zero. I assume the boost pressure is calculated by the pickup computer and read by the dashboss.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.
