Car Run when cold and After a Short Drive it Stalls
Forum: C4 General Discussion
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My 88 C4 Starts ,runs for about 15 mins and then shuts down while driving . There have been a couple of issues I've corrected so far . 1st the Fuel pump relay ,2nd the fuel filter , 3rd I've replaced the fuel pump . All of these parts were original equipment and need to be replaced ....I had very poor fuel pressure ,After I replaced those items MAN!!!! it ran better than ever up until the part where it shut down again 
Now I have no spark , Where should I start looking ?
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Send PMNORTON, OH - USA
Joined: 7/9/2012
Posts: 111
Vette(s): 1985 C4 red,
1985 C4 Black and dark gray
1st check power to the cap red wire by the white one is where I would start
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22714
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
Classic symptoms of a failing Ignition Module, inside the distributor.
Joel Adams
C3VR Lifetime Member #56 
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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Joel ,I'm glad you chimed in on this ,Your Opinions ( Advice ) are always solid & Good Stuff . I had just hours ago ordered a new Distributor W/ Ignition module , Just because that OEM Dist I"m sure has plenty of play in it ( Worn ) @ 180,000 + miles. Now I have another question for you , Is there a Cam Sensor ? or something that triggers the injectors to open & close ? or anything else that may or may not trigger Spark that I've overlooked ?
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22714
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
Spark and injectors fire off of the ignition pulses...no separate cam/crank sensors on the L98.
Joel Adams
C3VR Lifetime Member #56
My Link
(click for Texas-sized view!) NCRS
"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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Ya beat me to it, but my vote was ignition. Same as I described awhile back with my Opti-spark. Hope yours is easier to change.
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Thank you Both Joel & 396c4 , I'll let you guys know the outcome once I drop in the new Dist . Happy Motoring !!!! 
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in Forum: C4 General Discussion
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