North American Turbocoupe Organization



1986 dies suddenly
tdm3 Offline
Junior Member
#1
I'm getting ready to sell my 1986 TC but have developed a problem I'd like to get fixed before I sell it. The car is a 5 speed, high mileage (350,000) but runs well except for stumbling on boost once t is warm. Over the last few days I would start it. Starts quickly as always. Then it would idle for a few minutes and then die suddenly like the switch were turned off. I'd start it again and it'd do the same thing. This morning it died and now I can't get it to start back. There is fuel at the Schrader valve.

Does this sound more like ignition or fuel? Haven't started diagnosing yet hoping to get some helpful hints.

Thanks,
David
1986 Regatta Blue Turbo Coupe mostly stock
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Joshb530 Offline
Junior Member
#2
Check your spark, tfi, coil, mine would diea a few seconds after start up when i had a big leak betwern the vam and the turbo.
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Jeff K Offline
Administrator
#3
Check the fuel pressure with a gauge. The fact that some squirts out when the valve is depressed does not mean there is enough pressure for it to start or run.
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.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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Pete D Offline
Administrator
#4
Have you pulled the codes: http://turbotbird.com/techinfo/Retrievin..._codes.htm , http://turbotbird.com/techinfo/eec.htm See if the codes tell you anything. If you cannot get it started you may only be able to get the KOEO codes. These are codes of recent things gone wrong . Let us know what codes you get.
Pete Dunham


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tdm3 Offline
Junior Member
#5
Thanks fellow. I'll take a look at the codes, probably be monday before I can get to them. I thought tfi or clogged fuel filter. The pressure regulator is fairly new but i know they can fail. I'll dig and see and report back. Thanks,
david
1986 Regatta Blue Turbo Coupe mostly stock
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tdm3 Offline
Junior Member
#6
Never got it checked. Man came today and bought her. Thanks for your help
1986 Regatta Blue Turbo Coupe mostly stock
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bigep74 Offline
Junior Member
#7
My 87 would do that , check the ignation switch
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