LT1-LT4 Modifications 1993-97 Gen II Small Block V8

lt1 sputter problem

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Old 05-06-2009, 03:27 PM
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Exclamation lt1 sputter problem

my 1993 trans am auto Lt1 is having problems when i press the gas, it sputters and hesitates until i let off the gas. it will not increase in speed unless i barely press the gas. i replaced the fuel filter and it didnt correct the problem. car idles fine but misses when you give it gas in all gears. i had the transmission checked out and everything was fine. The car has around 63k miles on it.
help would be appreciated.
Old 05-06-2009, 03:36 PM
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check for burnt plug wires, loose boots or maybe check the spark plugs. also check out the fuel injector connections. that should get you started.
Old 05-06-2009, 04:00 PM
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Any codes?

Test your fuel pressure.
Check/replace your plugs and wires like mentioned above.
Test/replace your coil.
Check your o2's with a scanner.
Check for vacuum leaks.
If nothing else works, you might need a new opti.



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