Tune up and still runs kinda wierd - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-09-2005, 12:38 AM   #1
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Default Tune up and still runs kinda wierd

Well I just got done doing new plugs and plug wires on the new car tonite. The plugs I took out looked like they could have been the original ones. My question is this car seems to still be kinda bogging down on take off. I have no check engine light or anything else. Also my next question is this 94 SSEi doesn't seem as strong off the line as my 93 SSEi was. I floor it from a take off and it won't spin the tires or anything. It just takes off like a mad dog. I was messing around tonite and was clocking my 0-60 times and got an average of around 9 secs. Ok now i'm done rambling maybe someone can jump in here and tell me what they think.
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Old 11-09-2005, 12:50 AM   #2
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Not as quick as it should be... tell us about the plugs.
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Old 11-09-2005, 01:08 AM   #3
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The old ones that came out were gapped at about .080 and the new ones I installed are autolite platinums. The car runs great except a slight stumble at take off. I'm probably gonna check fuel filter next but I'm thinking this isn't the problem since at full throttle it runs great.
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Old 11-09-2005, 01:23 AM   #4
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is that the factory gapping specs? i know for mine it was .60 i believe. that could have something to do with it
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Old 11-09-2005, 01:50 AM   #5
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that was the gapping on the old ones. The new ones are gapped at .060
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Old 11-09-2005, 08:50 AM   #6
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The plugs being gapped at .080 is merely a side effect of them being in for a long time.

You picked this car up recently, right?

You mention changing the plugs and wires.
How about:
Checking resistance in the coils
PCV
Air filter
Fuel Filter (the FSM says there is no specific interval to change, there should be!)
Fuel pressure test if you have the tools.
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