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    Engine/Transmission (1998.5 - 2002) vp44 control module

    The electronic control unit for the vp44 is divided into two, with a compact control unit mounted directly on the pump and a larger Engine Control Module mounted on the engine block. The one I'm dealing with is the compact control unit which is black and is strapped to the rear of the vp44 by...
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    Engine/Transmission (1998.5 - 2002) vp44 control module

    Well I did the water hose test for 10 minutes to cool down the control module on the vp44. It fired right up after not being able to start. This definetely means something in the control module is heating up after the truck is shut down. Any ideas anyone? I hate replacing the pump for $1800...
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    Engine/Transmission (1998.5 - 2002) vp44 control module

    My 98 has a no start problem at normal operating temps. I can drive it all day long, great lift pump PSI on all checks. I shut the truck down and can restart within 5-15 minutes. I wait an hour and the truck will not fire. It fires immediately when cold in the morning or up until normal...
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