Seafoam mixed mixed with fuel - Fuel Injection - Classic Z Car Club Skip to content

Seafoam mixed mixed with fuel

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Could Seafoam maybe break something loose and mess up my Fuel Pressure Regulator? When I unhook vacuum to FPR my car runs like it did before Seafoam (better).

Unhooking the fpr makes the car run richer, that is the reason it seems to run better. You have some other issue going on and adding more fuel masks it. The sea foam will not harm your fpr or anything else

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