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02-08-2007, 12:36 PM
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#1 | |
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AF Newbie
 Join Date: Feb 2005
Location: antioch, Tennessee
Posts: 24
Thanks: 0
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backfiring from my 91 regal
i've got a 91 regal custom with a 3.1 engine that will turn but not start and sometimes backfires on attemps. have fuel pressure and new plugs and wires replaced coil and crank sencor map sencor no air leaks so now what ? also changed computer module need help any suggestions will do thanks.
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02-08-2007, 12:50 PM
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#2 | |
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Pontiac Guy
 Join Date: May 2004
Location: Penns Creek, Pennsylvania
Posts: 6,441
Thanks: 2
Thanked 82 Times in 78 Posts
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Re: backfiring from my 91 regal
Do a compression check to make sure the valves are closing at the proper time. This sounds like a timing issue possibly the timing chain has jumped time and will not allow it to start.
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05-25-2007, 12:21 PM
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#3 | |
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AF Newbie
Join Date: Feb 2005
Location: antioch, Tennessee
Posts: 24
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Re: backfiring from my 91 regal
could this also be caused by a bad fuel pump.
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05-25-2007, 12:39 PM
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#4 | |
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AF Newbie
Join Date: Feb 2005
Location: antioch, Tennessee
Posts: 24
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Re: backfiring from my 91 regal
car still does not start i don't think timing is off because i was driving when it started to shake like i had bad gas or something.
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