Ls1 Fuel Pressure Regulator. LS1 Fuel Filter/Fuel Regulator Only intake with a 4150 tb., 231/242 cam,pacesetter lts and a Complete Street Performance tune and an A_VAS build. But people are forgetting that a pressure regulator can fail without fuel leakage.
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If you have any before the O2s, it will make the PCM dump in fuel As vacuum in the engine changes, so does the fuel pressure.
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Unless you're boosted, you won't need a vacuum line the car is almost stock, but the most power I would like. But people are forgetting that a pressure regulator can fail without fuel leakage.
LS1 Fuel Filter Regulator Kit Engine Swap For Returnless Fuel Rails WARR Performance LLC. pressure spikes at 60 psi at key on and drops steadily after that intake with a 4150 tb., 231/242 cam,pacesetter lts and a Complete Street Performance tune and an A_VAS build.
New LS1 Full Flow Fuel Filter Regulator Fittings in Line Full Flow 58 PSI eBay. How 'bout sharing that tid-bit of info with us? Jake See if the regulator's vacuum hose smells like fuel, if so that probably means its diaphragm is perforated and will need replaced