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Old 04-08-2023   #4
Subfixer
 
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Join Date: Sep 2018
Location: Groton, CT
Posts: 399
Default Re: Secondary fuel pump dead?

Secondary Port Throttle (SPT) system is still in place. Entire system was checked by Marc when my 415 was built less than a year ago. Vacuum pump doesn't cycle at all. Pretty sure its a pump. Will be replacing both today.
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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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