North American Turbocoupe Organization

Full throttle stall
FMCAB88 Offline
Junior Member
Last night my car stalled on me. I was driving around and when i was slowing down from full throttle, my car stalled. It has done this once or twice before, but it would start up right afterwards and run fine. this time it took several attempts to get it started. Once it was running, it had a miss. Today i drove my car and nothing appeared to be wrong. The check engine light is not on, nor was it on once i got it restarted last night. Any help would be grateful, thanks.
P.S. yes my gas tank is full.
1988 White TC, raven interior, 5-speed, gillis valve, k&n cone filter.

turbotbirdguy79 Offline
Senior Member
Did you do a fuel pressure check?Maybe the IAC?
1988 Tc,SC50(.63),Bosch BPV,Coolingmist methanol injection activated at 10 psi,FMS big valve 1.89/1.59 head,a234,ported E6,ported lower and upper intake,Gillis,3"downpipe,3"exaust,Kirbin AFPR,255 HP LPH pump,Racer Walsh adj cam pully 2* advanced*,K&N cone,MSD Blaster,autolite 103 plugs,T5 swap,3.73s,shifter,Centerforce stage 2 clutch,motorcraft tuneup.

trashline Offline
Posting Freak
sounds like it could be a fuel delivery problem. First are you low on fuel? tank below a 1/4? Some people have problems with sloshing and it leaves the pump uncovered for a bit. There is a baffle system that could have came loose but you would hear it sliding around inside the tank. I recommend running the fuel system diags. in the tech section. Fuel pressure should be at 39psi with the vacuumline to the regulator unhooked and plugged. it should rise 1psi/# of boost. does it still have the miss? Maybe it is your tfi/pip crapping out they tend to shut off and then restart and if your having ignition problems then That is another possibility.

06 Cobalt SS
66 mustang 289 C4 handfully modded

Stingers IC install and tbird photos

Pete D Offline
Pull the codes? Cleaned the IAC lately?
Pete Dunham


Jeff K Offline
You say it happened when you let off from WOT, but what RPM were you at? If you redlined it and then let off, could be weak valve springs allowint the HLAs to pump up and hang one or more valves open for a while. If this happens, they will bleed back down after a while and the problem will go away.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
11 Crown Vic Interceptor
14 Toyota Camry (wifes car)
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized

FMCAB88 Offline
Junior Member
It was not at redline, i shift between 4000-4500. Im going to check my IAC and also see if i can pull some codes tomorrow. thanks for all of your help.
1988 White TC, raven interior, 5-speed, gillis valve, k&n cone filter.

Users browsing this thread:
1 Guest(s)

Theme © iAndrew 2018 - Software MyBB