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SR20 vacuum leak?

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S Chassis Technical discussion related to the S Chassis such as the S12, S13, S14, and S15.

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04-30-2021, 12:17 PM	#15
nmerriw Leaky Injector Join Date: Feb 2018 Location: SC Age: 26 Posts: 119 Trader Rating: (0) Feedback Score: 0 reviews	Fpr I know this is an old thread, but for anyone having similar issues this sounds like a failing Fuel Pressure Regulator to me, the hiss is probably the fuel flow through the regulator into the return line, as there is no vacuum generated without the engine running

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