View Single Post
Old 04-08-2023   #3
A26B
 
A26B's Avatar
 
Join Date: Dec 2003
Location: Arcadia, OK
Posts: 3,401
Default Re: Secondary fuel pump dead?

Do you still have the Secondary Port Throttle (SPT) system still in place?
If so, test the vacuum pump and each of the vacuum actuators. A failure of any 1 of those 3 items can cause the same symptom.
__________________
Jerry Downey
JERRYS LT5 GASKETS & PARTS
http://www.jerrysgaskets.com
1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc.
2016 Black-Red, 3LT-Z51 Auto 8-speed.
A26B is offline   Reply With Quote