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96 firebird formula missfire issue

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

96 firebird formula missfire issue

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Old

Dec 15, 2014 | 07:12 PM

#1

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96 firebird formula missfire issue

Hello I have a 96 firebird formula and it's running alittle rough.. I just replaced the opti spark , plugs , wires,and coil. when I'm coming out of first and second gear it seems like it is running Ok but when iget up to 4th 5th and 6th it starts to shake and in sixth the shifter shakes if igive it more gas it's missing somewhere I can't figure it out been messing with it for ayear and I am stuck. Maybe icm ihaven't tried that or maf sensor maybe any help would be awesome thanks

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Dec 17, 2014 | 06:00 AM

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bufmatmuslepants

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Have you checked your fuel pressure? Could be a tired fuel pump.

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Dec 17, 2014 | 09:25 PM

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Are you getting a check engine light?

How does your trans mount look?

Do you think its misfire or drive line vibration?

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Dec 17, 2014 | 10:51 PM

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MedicinalCreamDogs

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i second the fuel pump.. also check the rest of your ignition system; ICM, coil, etc..

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Dec 18, 2014 | 12:22 AM

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^ i think he said he replaced the coil.

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Dec 18, 2014 | 12:58 AM

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MedicinalCreamDogs

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holy potato chips! your right!

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