pre-pump two pump systems in 1985 vw® changed to a two pump system there is ... pre-pump cabriolet `85-93 golf `85-92 jetta® `85-92 scirocco® `85-88 fox® `87 up # ... into the intake just above the valve they are mechanical nothing electrical ... 60psi there is a spring and ball check valve which have tiny passages and ... others sell some junk brands rabbit®/jetta® all `77-84 scirocco® incl 16v `76-88 ... reman .314.25 .119.95 vw fox® `87-88 audi 4000® 4-cyl `80-87 ... 4000® 5-cyl `80-83 4000® coupe `81-87 vw fox® `88-90 #sn9171 bosch new .326. ... reman .326.32 .159.95 golf®/jetta®/jetta gli® `85-86 52mm #sn11959 bosch ... reman .284.93 .119.95 golf®/jetta®/jetta gli® `85-86 gti® gli® 16v `89-92 ... 252.50 .139.95 golf®/gt/gli®/jetta®/corr ado® digifant 4-cyl `88-92 # ...
accumulator all rabbit® scirocco® jettas® dashers® golfs® quantum® audis® etc ... to overcome their internal pressure valve in operating as you know the cis ... injectors have a pressure valve in them which keeps them from leaking ... when the engine is off but this check valve will not open to the pressure of fuel ... two is internal the internal diaphragm springs a leak and the accumulator gets water ... originally with the early rabbits® and jettas® but they hold a slightly higher ... injection o rings kits sold each golf®/jetta® fox® `88-96 with digifant electronic ... #sn16017 5.95 golf®/jetta® fox®,quantum `85-92 all without ... 3.50 rabbit®,scirocco® jetta® `77-84 kit for entire car #sn16018 ... and cis-e fuel systems found on most vws® you can test your fuel pump fuel ... so these can be used with every vw® fuel system ever made #sn15577 fuel ...