backfiring on start

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Aug 30, 2007 | 05:06 PM

big_mo005

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From: m'boro, tn

backfiring on start

my 1992 bonneville se jus had a timing chain put on it. but its still backfiring and wont stay started. can some one please tell me wtf!! is goin on. some say i need a new computer. i dont know

Aug 30, 2007 | 05:13 PM

banned3800

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Is it backfiring through the intake?

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Aug 30, 2007 | 05:16 PM

big_mo005

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From: m'boro, tn

tail pipe

Aug 31, 2007 | 08:40 AM

BillBoost37

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Who put the chain on?

There are two sets of dots that get lined up . Cam to balancer (not important for this psot) and cam to crank. If you did it..did you take pics of the dots?

Aug 31, 2007 | 09:32 AM

big_mo005

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From: m'boro, tn

THE SHOP PUT IT ON HE SAID ITS STILL SOME SERIOUS BACKFIRING GOIN ON. ITS PISSING ME OFF ITS BEEN IN THERE FOR 3 WEEKS

Aug 31, 2007 | 09:37 AM

lash

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From: Central Florida

The first thing I would suspect is the timing chain install, which is what Bill is getting at. Before you pay the shop to do anything else, I would make them revisit that.

Aug 31, 2007 | 10:12 AM

BillBoost37

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From: Enfield, CT

A backfire after a chain is typically the dots not lining up.

A misfire would be a misrouted plug wire. However since they didn't do wires..they shouldn't be off.