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Fule pressure pulsation damper

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If anybody could explain the differences between the two fule pressure regulator and the fule pressure pulsation damper on the back ends of the fuel rails I need to know because I just swapped them out from auto zone and they both look different from the original denzo ones and now I keep getting a gas smell coming from under the hood ...?? Sos someone save my 03 sc 430



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  • 2 weeks later...

If you are smelling fuel then it must be leaking from somewhere.

May only be a small amount but although the regulator/damper are different they may be faulty or the installation is missing a seal?

Worth removing after depresurrising the system and checking for correct sealing

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