Question about 1996 Oldsmobile 88

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My 1996 oldsmobile 88 has been running terrible for the last month and gets worse every week. It won't go when I have the gas pedal floored sometimes, and then it will slowly get up to speed but takes a long time just to get to 30 and to shift. And then all of a sudden it will get the gas and go fine, but it always sounds very rough and the whole car shakes. I don't know whats wrong with it and what I need to do to fix it.

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  • 252 Answers

Hello there good man or woman

Lets start off like this there is 50 different things that can cause these issues but will start with the simple things in a list. So here it goes

1. bad spark plugs (carbon fouled,fuel fouled,oil fouled, heat glazed, or just worn out rounded electrode's )
2. spark plug wires (there is no simple way to check this but there cheap and easy to try)
3. distributor cap & igniton rotor (or coil pack if so equipped) could be corroded carbon glazed heat glazed again thought both rotor button and distributor cap are cheap and easy to change. If it is a coil cheap to and just as easy on both this is were plug wires connet to on the oppsite end of spark plugs.
4. coil pick up (this sits underneath distributor cap and rotor and is cheap and easy to fix aswell)
5. clogged air filter
6. bad pcv valve
7. bad egr valve
8. bad fuel pressure regulator
9.bad fuel pump or clogged strainer
10. vaccum line leaking or off

I know with all that being said may sound overwelming but most are easy to fix and cheap this is what i would so first do a good tune up this includes new spark plugs , plug wires, air filter , pcv valve,fuel filter distributor cap and rotor (or coil pack if so equipped ) .

That will most likley fix your problem

If it helps please leave 4 thumbs up and if it works a testomnial thanks

Posted on May 20, 2011

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Posted on Jan 02, 2017

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