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OK Cant find the problem.

   
Old Oct 1, 2006 | 05:43 AM
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m390's Avatar
m390
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Joined: Sep 2006
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From: Nashville
Car: 91 Firebird
Engine: 3.1 V6
Transmission: 700r4
Axle/Gears: 3.23
OK Cant find the problem.
OK guys heres my problem i cant figure out....
Ok i have a 91 firebird 3.1 V6 i bought the car 750miles ago and well i can get this miss and backfire out over 3k rpm..... it loses power doesnt quit but wont accel anymore.
what i have done.

New Wires
Plugs
EGR
Fuel Filter
Ignition module
Cap and Roter button
Timing reset

and still does the same thing any help please.
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Old Oct 1, 2006 | 11:23 AM
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cadman277's Avatar
cadman277
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Joined: May 2006
Posts: 133
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From: Ohio
Car: 95 z28,86 iroc
Engine: 350 lt1,305 tpi
Have you checked the fuel pressure?I would now look at this,also it may be a partially plugged exhaust.
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Old Oct 1, 2006 | 03:55 PM
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m390
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Joined: Sep 2006
Posts: 29
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From: Nashville
Car: 91 Firebird
Engine: 3.1 V6
Transmission: 700r4
Axle/Gears: 3.23
yeah i was think about that also and i was wondering if it could also be the coil?
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Old Oct 1, 2006 | 04:04 PM
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//<86TA>\\'s Avatar
//<86TA>\\
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
sounds like the ignition is crapping out and missing.
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Old Oct 1, 2006 | 04:23 PM
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m390
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Junior Member
 
Joined: Sep 2006
Posts: 29
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From: Nashville
Car: 91 Firebird
Engine: 3.1 V6
Transmission: 700r4
Axle/Gears: 3.23
yeah but all the ignition ihas been replaced but the coil
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