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What can cause my 1990 caprice to hesitate

(1990 Chevrolet Caprice)
in San Mateo, CA on December 22, 2014
I can drive for about 45 min to a hour then when I exit and hit the gas it hesitates. It feels like there's to much gas when it's down shifting it drives excellent besides that any help would be much appreciated
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on December 23, 2014
Worn spark plugs, dirty throttle body, low transmission fluid. Start there.
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on December 23, 2014
Worn spark plugs, dirty throttle body, low transmission fluid. Start there.
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on December 29, 2014
You need compression, fuel and spark to run. Older cars like yours don't have the diagnostics like the new ones so go back to the basics. Filters news, plugs, cap, rotor and wires new...
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