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Discussion Starter #1
I realy need some help on this.
With car standing still and foot on brake I rev engine slowly and I get a miss or stumble. It does this at 11 to 16 rpm in od also which makes the car sort of chug. but not terrible.
Now I have replaced the plugs, wires,spark mod., coil, checked the vaccumm canister, timing. Had car on scope and was told it was the spark mod. no help.
Aany thoughts? Forever greatful,
Joe
 

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What mods have you done? Have you removed anything in the intake?
 

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Carman, what year car? Have you ever had the injectors cleaned? I have seen dirty or leaking injectors cause a slight stumble, but the car would run fine through the rest of the rpm range.
 
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