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so far, checked plugs. Found 6 and 8 found running rich.
noticed fpr vacuum port right there.
sure enough fpr diaphragm ruptured.
replaced with adjustable kit.
started car, gauge read 30 psi.
adjusted to 42.
pulled vacuum line, jumps to 48.
put back on, drops to 42.
turn off key, drops to zero.
replaced pump, old pump check valve hanging out of retainer hole.
start car, adjust to 42 again,
shut off engine, drops to zero.
tried to start, long cranking, then finally started, 52 and 48, shut off, goes to zero.
car has good idle and responds well to revs.
didnot try to drive.
9th injector kit on order.
other than injectors, whats left?
found this under diaphragm.
diaphragm was ruptured, but thought it was from age.
Last edited by coupeguy2001; Jul 10, 2020 at 07:25 PM.
I would think your #6 and #8 injectors are leaking and that’s why it’s showing rich on those two plugs. It would also explain the long restarts. You could check the #6 plug after you shut it off and see if it’s wet with gas to confirm. Be Well!
Fuel pressure goes to zero
