off-idle stumble

[Godfrey DiGiorgi <ramarren@domain.elided>]

For a while now, FrankenSpider has had an intermittent part-throttle 
stumble. It runs gangbusters 95% of the time, then will get into a 
period of part throttle bucking and jerking around, clear it's throat 
and run gangbusters again.

Remember, it's the '82 Bosch EFI engine. I've checked wires, plugs, 
EFI connections, had the fuel filter changed, checked fuel pump 
output, etc. Everything seems right on the money. I've put fuel 
injector cleaner in the fuel a dozen times.

I'm wondering if this is a sticky injector or two, and how I can check them.

thanks,
Godfrey

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