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Discussion Starter · #1 ·
I have a 1991 Senta SE, manual. At idle after warmup it stumbles between about 500 and 800 rpm. It idles normally, stumbles down, jumps back up, then back to normal....repeat on a loop.
With slow normal acceleration its absolutely perfect, but with any hard acceleration it bucks until it gets up to speed or I ease up on the accelerator.

Any ideas as to what would be causing these issues would be welcome, thanks
 

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Discussion Starter · #3 ·
A little slow on the update, but all is well now!
Turns out, the bucking was caused by spark plug gap that got way to large. Replacing the cap, rotor, plugs, and wires eliminated the misfire at idle....best guess, since the misfire was non-existent at higher rpm, the problem was probably the cap or rotor...more spins, more contact, less misfire
 
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