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intermittent stutter during acceleration

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Old 12-20-2018, 05:18 PM
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Default intermittent stutter during acceleration
i have a 1989 gmc r3500 with a 454 and it has a stutter to it during acceleration.i was wondering what are the first things i should check?also there are no codes.
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Old 12-20-2018, 06:53 PM
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i think i might have found my problem on of my sparkplug wires cam loose and fell against the exhaust and was sparking against it.i just got done putting on old wire on there temperately so i can test drive it.
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Old 12-20-2018, 07:03 PM
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Originally Posted by wes104
i have a 1989 gmc r3500 with a 454 and it has a stutter to it during acceleration.i was wondering what are the first things i should check?also there are no codes.
Originally Posted by wes104
i think i might have found my problem on of my sparkplug wires cam loose and fell against the exhaust and was sparking against it.i just got done putting on old wire on there temperately so i can test drive it.
​​​​​​​That'd do it.
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Old 12-20-2018, 07:49 PM
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Originally Posted by CathedralCub
That'd do it.
would that of caused any damaged to other parts?
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Old 12-20-2018, 11:26 PM
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Probably not, unless it'* been doing this for thousands of miles.
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Old 12-21-2018, 10:03 AM
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Once you replace the wire, you will know if anything in the secondary ignition was affected.....
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Old 12-21-2018, 01:58 PM
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Originally Posted by CathedralCub
Probably not, unless it'* been doing this for thousands of miles.
Originally Posted by Tech II
Once you replace the wire, you will know if anything in the secondary ignition was affected.....
i think that fixed it.man im suprised how much power that one spark plug wire restored
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Old 12-21-2018, 06:27 PM
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Originally Posted by CathedralCub
Probably not, unless it'* been doing this for thousands of miles.
Originally Posted by Tech II
Once you replace the wire, you will know if anything in the secondary ignition was affected.....
what brand wires should i replace them with?is there any i should stay away from
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Old 12-21-2018, 09:04 PM
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Originally Posted by wes104
i think that fixed it.man im suprised how much power that one spark plug wire restored
When that'* happening, that cylinder isn't firing (mostly), and also that cylinder is having to be dragged along by the other seven. Double whammy.
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Old 12-21-2018, 09:10 PM
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Go OEM, or get the best quality at any Auto store....just don't go cheap....
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