Replacement Fuel Pressure Regulator
Fits 2004.5-2005 Chevy / GMC 2500HD / 3500HD LLY
Replacing a faulty fuel pressure regulator may solve the common surging and loping idle that many high mileage Duramax's have. Trucks exhibiting codes P0090, P0089 and P1093 may be suffering from a failed/failing pressure regulator.
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