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P1239 Diagnostic Trouble Code Discussion for January 2020

Engine Oil Temperature Too Low


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Trouble Ticket Help Requests for DTC P1239
Help Request Posted
2014 Mercedes-Benz Sprinter 3500 3.0L turbo VIN: WDAPF4CC2E
P1239: Turbocharger low pressure. Turbocharger boost control functions with scanner and inner cooler houses expand and are hard with engine under long. Runs good win golds cleared for about a mile. Snap on scanner boost pressure = 1 psi at idol & 1.9 full throttle indicating low boost ...
January 16, 2020