Rough idle and no power

cary Jackson

SCCoA Member
My daughter's 91 sc sometimes runs fine but all of a sudden it will miss, idle poorly, and no power. Then it will run fine, then bad again. Crank sensor? Cam sensor? What do you think?
 
Yes Cary, I'd replace both of those. That's the way mine did when I had to replace them. Check for that main balancer bolt, it and the balancer might have broken. I had one run for a month like that until it went for good.
 
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