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3,357 Posts
ive been having problems with my 88 speed density car for a while but now its getting to where i cant drive it. it runs rough, starts cuttin out past 4k, wont idle most of the time and it drops rpm or dies when i push the clutch in. it knocks when the clutch is in but i have found nothing wrong with the clutch. today is started knocking when it would drop rpm while idle surging. you can hear the faintest of knock when its idleing fine(on the rare event)
i pulled the codes and only got codes for the egr system(which i deleted)
cyl balance test was a pass
fuel pressure is right around 40, just a touch high but i dont think its the problem
timing is 12 deg
92octane pump gas
it used to idle around 17in/mg vacuum but dropped to 15 and now is falling below that
oil pressure is under 20lbs at idle, it goes up with rpm but drops under load
i checked as much wiring as i could
plugs are new and look good, not burnt or oiled
wires are newer within 2 years
newer cap and rotor
coil ohmed out fine
just put a known working iac on it
no vacuum leaks
i have breathers on the valve covers that have some kind of small amount of smoke or steam that come from them, pcv is blocked off
newer fuel pressure regulator the stock and holly failed
new tps
im stumped i cant find any failing parts and cant get this thing to run for the life of me. any ideas???
i pulled the codes and only got codes for the egr system(which i deleted)
cyl balance test was a pass
fuel pressure is right around 40, just a touch high but i dont think its the problem
timing is 12 deg
92octane pump gas
it used to idle around 17in/mg vacuum but dropped to 15 and now is falling below that
oil pressure is under 20lbs at idle, it goes up with rpm but drops under load
i checked as much wiring as i could
plugs are new and look good, not burnt or oiled
wires are newer within 2 years
newer cap and rotor
coil ohmed out fine
just put a known working iac on it
no vacuum leaks
i have breathers on the valve covers that have some kind of small amount of smoke or steam that come from them, pcv is blocked off
newer fuel pressure regulator the stock and holly failed
new tps
im stumped i cant find any failing parts and cant get this thing to run for the life of me. any ideas???