backfire 1987

1897 Views 2 Replies 3 Participants Last post by daddyjeep, Jul 23, 2007

meogi1

Discussion Starter · Jul 22, 2007

i have 1987 with a 6 in it and i have changed the fule pump the coil , cap ,roter, wires, the cat and the fule filter but still will only start when let of on the key and the will only idel after that it will fall on its face an start backfiring ??????i need help

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payj90

· #2 · Jul 22, 2007

could it be a vacunm leak

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daddyjeep

· #3 · Jul 23, 2007

The carb's on these Jeeps are notoriously bad. That is the first place I would look. They develop vaccuum leaks in the carb itself. Someone here posted an article on this carb here a while back. That might give you some good tips to try.

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