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Hi All,I have a 1990 convertible that starts but will not idle. The car starts great and i can keep it running by pushing the gas peddle but as soon as i let go the car dies. Any ideas on this and the car has just up and started doing this no prior incidents leads up to this. It probably does need a tune up and i have put a new distributor cap on but im just looking for some suggestions. Whats a good spark plug for these corvette with aluminum heads...Thanks for any info.
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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
Kinda sounds like you may need to clean the throttle body, or there may be a vacuum leak somewhere. Could also be the idle air control valve. Need a little more info. Have you tried scanning it for codes?
Did you change the dist cap before or after this started happening?
|UPDATED|12/1/2014 8:49:41 PM (AZT)|/UPDATED|
Did you change the dist cap before or after this started happening?
|UPDATED|12/1/2014 8:49:41 PM (AZT)|/UPDATED|
Joel Adams
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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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Send PMGarland, TX - USA
Joined: 1/1/2013
Posts: 37
Vette(s): I have a 1991 Artic White, Red Interior convertible, 30,000 miles on it, & a 1993 40th Anniversary with 50,000 miles on it
If equipped with an " Optispack "located in the distributor , that is what happened to my '91
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Send PMBlacksburg, VA - USA
Joined: 2/2/2008
Posts: 7
Vette(s): 1980 L-82 Fire-engine red
1993 Coupe LT-1 6-spd, Polo green
TwoCorvettes said:
If equipped with an " Optispack "located in the distributor , that is what happened to my '91
Opti-spark distributors were used on LT1 engines which started in 1992. L98s used standard distributors.
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in Forum: C4 Engines, Driveline and Handling
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