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P0899 Diagnostic Trouble Code Discussion for February 2019

Fuel Pressure Regulator Valve 1 is faulty


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Trouble Ticket Help Requests for DTC P0899
Help Request Posted
2014 Mercedes-Benz GL450 4.6L Excessive Emissions, Poor Idle Quality, Stall VIN: 4JGDF7CEXE
P0899: Fuel Pressure Regulator Valve 1 is faulty. This benz is becoming a severe pain... Vehicle comes in with a code P008992 Fuel Pressure Regulator 1 is faulty is the code description. Car runs poorly and stalls out. Initially replace the 2 high pressure fuel pumps at the rear of the engine to no avail....
February 13, 2019