Fuel pressure regulator repair blazer bravada jimmy s10 sonoma 4.3l

if the fuel pressure regulater is leaking in yours replace it, change the oil right after. if it was leaking bad then there will be gas in the crankcase oil. and WILL cause rod bearing failure if not caught in time. over time the gas will leak down the intake passages and into the combustion chamber leaking past the piston rings then into the oil.

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