Re: Secondary fuel pump dead?
Vacuum pump does cycle, just not excessively. About once every 45 seconds after initial pump up.
Put old (original) fuel pumps back in for now.
After removing and replacing the assembly 3 times, I'm now an "expert".
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1992 ZR1 #442, 2 tops, White, White, Haibeck 415, 3.90 gear, Coilovers
2021 Audi RS5, 2.9 V6 Twin Turbo, Auto, Black, Black
2021 Audi Q3, 2.0T, 8 spd Tiptronic, Navarro Blue metallic, Pearl Beige
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