Low fuel pressure - Regulator bad? - PeachParts Mercedes-Benz Forum

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Low fuel pressure - Regulator bad?

06-16-2004, 08:24 PM

michaelsellars michaelsellars is offline

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Join Date: Jan 2004

Location: Franklin, Wisconsin

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Low fuel pressure - Regulator bad?

Hello,

I only have 19psi of fuel pressure on a '73 280sel 4.5 (Should be 30psi). When I turn the adjustment bolt on the fuel regulator there is no change in pressure. The service manual says this means the regulator is bad. Is this correct? Also, isn't it possible that the pump is weak and/or the filter needs to be replaced? Thanks -Mike

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1973 280SEL 4.5

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