Check the vacuum hose connections near where you were working. probably knocked one loose, seems like I do it every time. If you have a vacuum leak the shutoff won't work anymore and you'll have to use the stop lever on the motor. -Andy

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andy t
'78 300d
'95 volvo 850, wagon
'86 300sdl - engine out, maybe I'll have it rolling by June

whole bunch o' bicycles