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Slight Miss - Me thinking COPs.

1K views 7 replies 4 participants last post by  1shotkllz 
#1 ·
So I've got 121000 on my 99 GT Vert and its acting a little funny. At about 40-50 mph constant throttle it misses and struggles, also it idles funny sometimes. I'm thinking..I can't think of the word..lol. Intervally bad coil? I can't remember, you guys know though.
 
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