Topic: bad coil?
in Forum: C3 Electrical
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hi boys and girls!
yesterday was really hot (91 degrees). i had to take the car out to a place 25 miles or so away and it was all highway driving. 60 mph average. the motor didnt overheat or anything but i shut the car off and after about 2 minutes i went to fire it up again and it didnt fire fight away.
it cranked about 3 seconds and as i gave it some gas it backfired hard and shut off. i tried it again...same thing...hard backfire and off. i waited about 10 seconds and it fired up but ran poorly for a few minutes. after that...it was fine. i came home on the same highway and temperatures and shut it off and refired it. no problem.
any ideas? bad coil?
thanks!
jeff
yesterday was really hot (91 degrees). i had to take the car out to a place 25 miles or so away and it was all highway driving. 60 mph average. the motor didnt overheat or anything but i shut the car off and after about 2 minutes i went to fire it up again and it didnt fire fight away.
it cranked about 3 seconds and as i gave it some gas it backfired hard and shut off. i tried it again...same thing...hard backfire and off. i waited about 10 seconds and it fired up but ran poorly for a few minutes. after that...it was fine. i came home on the same highway and temperatures and shut it off and refired it. no problem.
any ideas? bad coil?
thanks!
jeff
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Lifetime MemberSame thing for me this weekend. Mine has HEI, so I changed the ignition module first and that did not help. I put a new coil on and it fired right up. Coils are pretty cheap so I would give it a try.
Scott
Scott
It's a good posibility. The dist pickup and module are also strong suspects when you have electronic ignition. Without electronics, a condenser can do the same thing, but the coil is a greater suspect.
in Forum: C3 Electrical
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