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intermittent stutter during acceleration

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Old Dec 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 Dec 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 Dec 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 Dec 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 Dec 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 Dec 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 Dec 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 Dec 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 Dec 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 Dec 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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