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05-16-2009, 03:22 PM
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#1
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mustang bogging
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Registered User
Join Date: May 2009
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hey everytime i go to give my car give it alot of gas its starts to bogg down and make a weird poping noise. it acts like it has no power. if i just take it easy it runs fine. any ideas of what the problem could be?
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05-16-2009, 08:06 PM
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#2
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Re: mustang bogging
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Registered User
Join Date: Feb 2009
State: Oregon
Posts: 534
Thanks: 7
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since i can't rememebr which year they switched to efi, does ur have it or no? also, which engine does it have in it?
__________________
It's cheaper to be beat a viper than to lose in one.
1994 GT, stock gears, stock shifter, stock engine, stock rims (or knock offs).
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05-16-2009, 08:36 PM
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#3
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Re: mustang bogging
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please come try to take my guns!!!!
Join Date: May 2007
City: Denham Springs
State: Louisiana
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it was like '84.
sounds to me like your not getting enough fuel.
When is the last time you changed the fuel filter? If that's not it put a fuel pressure gauge on it and make sure you've got enough press.
__________________
06 GT custom mandral bent exhaust, borla mufflers, o/r x-pipe, SCT2, tuned by Wes@TPS, CAI, 4:10 gears, ZEX 150hp wet shot, 03chrome cobra wheels/ 11.76E/T at 115MPH & its my wife's car  1970
Chevelle SS 454 big block Old School 500hp 
Chevelle
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05-16-2009, 09:08 PM
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#4
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Re: mustang bogging
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Registered User
Join Date: May 2009
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its a 1989 mustang lx with a 5.0 in it. i just changed the fuel filter in it because i thought that may have been the problem. it didnt start doing this until i put that smog delete pulley on and that popping noise is the intake backfiring.
Last edited by mustangman1989; 05-16-2009 at 09:20 PM..
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05-16-2009, 09:24 PM
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#5
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Re: mustang bogging
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please come try to take my guns!!!!
Join Date: May 2007
City: Denham Springs
State: Louisiana
Posts: 3,472
Thanks: 16
Thanked 71 Times in 66 Posts
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backfiring through the intake is usually a timming issue.
__________________
06 GT custom mandral bent exhaust, borla mufflers, o/r x-pipe, SCT2, tuned by Wes@TPS, CAI, 4:10 gears, ZEX 150hp wet shot, 03chrome cobra wheels/ 11.76E/T at 115MPH & its my wife's car 1970
Chevelle SS 454 big block Old School 500hp
Chevelle
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05-16-2009, 09:36 PM
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#6
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Re: mustang bogging
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Registered User
Join Date: May 2009
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how come it only does it when i punch it? and it ll of a sudden just started doing it |
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05-16-2009, 10:17 PM
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#7
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Re: mustang bogging
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please come try to take my guns!!!!
Join Date: May 2007
City: Denham Springs
State: Louisiana
Posts: 3,472
Thanks: 16
Thanked 71 Times in 66 Posts
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your dist. may have moved.
__________________
06 GT custom mandral bent exhaust, borla mufflers, o/r x-pipe, SCT2, tuned by Wes@TPS, CAI, 4:10 gears, ZEX 150hp wet shot, 03chrome cobra wheels/ 11.76E/T at 115MPH & its my wife's car 1970
Chevelle SS 454 big block Old School 500hp
Chevelle
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05-16-2009, 10:54 PM
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#8
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Re: mustang bogging
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Registered User
Join Date: Feb 2009
State: Oregon
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does it do it if you slowly get to the same higher rpms? or does it do it at lower rpms when floored?
edit: did you happen to change plugs sometime in here too (just thinking maybe the wrong plug was used, i doubt it, but just a thought)
__________________
It's cheaper to be beat a viper than to lose in one.
1994 GT, stock gears, stock shifter, stock engine, stock rims (or knock offs).
Last edited by bloodyspirit058; 05-17-2009 at 02:39 AM..
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05-17-2009, 08:41 AM
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#9
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Re: mustang bogging
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Registered User
Join Date: May 2009
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no it only does it when i try to floor it. it runs fine when i slowly move up the rpms. i was looking in my book and it said an intake backfire is caused by either timing being off, egr valve malfunction. i think it might be the the egr valve because i took the smog pump off and now it doesnt know whats going on. i changed the plugs and wires a while ago and it ran fine. but i know it starts to burn really rich! |
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05-17-2009, 09:53 AM
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#10
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Re: mustang bogging
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Bob is Good.
Join Date: Jun 2004
City: Greenville
State: Texas
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First, check your timing. Usually the only problem that can come from a smog pump delete is a vacuum leak from not plugging everything properly. So I doubt that is the source of your problems. It's probably more of a coincidence than anything. |
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05-23-2009, 09:09 PM
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#11
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Re: mustang bogging
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Registered User
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turns out it was an egr malfunction |
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06-23-2009, 06:59 PM
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#12
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Re: mustang bogging
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Registered User
Join Date: Jun 2009
City: Brookhaven
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My car hesitates when it receives gas. rpm flucuates when at idle. will kill car at stopping if air condition is on . engine light comes on and gives a cam position sensor code. but alot of people have told me thats not the problem . when the fuel pressure is checked the fuel pressure jump down with accelration. fuel pump has been replaced and fuel filter. please help
__________________
Chasity 
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06-23-2009, 07:48 PM
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#13
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Re: mustang bogging
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Registered User
Join Date: Feb 2009
State: Oregon
Posts: 534
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tps? (throttle position sensor) maybe its not telling the pump to get with the program... also make sure your wires are all on nice and tight... it doesn't sound like the same problem but i forgot one wire so i was runnin on 7 cyl and noticed a nice little skip in the rpm needle when i went to start it up.
EDIT: What year and engine do you have btw? might help us figure it out.
__________________
It's cheaper to be beat a viper than to lose in one.
1994 GT, stock gears, stock shifter, stock engine, stock rims (or knock offs).
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06-23-2009, 10:12 PM
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#14
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Re: mustang bogging
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Registered User
Join Date: Jun 2009
City: Brookhaven
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I have a 2006 Gt. 4.6 liter, 3 valve
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Chasity
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06-23-2009, 10:19 PM
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#15
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Re: mustang bogging
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Brevior Est Vita
Join Date: May 2004
City: Iowa City, IA
State: Iowa
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you should really post your own thread in the appropriate section... as some of us (including myself) don't check threads on motors we're unfamiliar with. The 2v 4.6 is somewhat related to the 3v you have. Neither are terrible close to the 5.0...
__________________
2002 Sonic Blue GT, 5 Speed
Mods: MGW Short Throw Shifter, Mach 1 Brakes
Black FR500's, Eibach Pro-Kit, Bilstein shocks/struts, Borla Exhaust, Steeda Wing, Cobra R hood, Cobra mirrors, Terminator Front Bumper, smoked fogs/headlights, Tail-light Tint, Terminator side skirts, Grill Delete, Mach C-pillars, hood shocks
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06-23-2009, 10:30 PM
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#16
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Re: mustang bogging
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Registered User
Join Date: Jun 2009
City: Brookhaven
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im sorry im new to this and cant figure out how to do that
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Chasity
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06-23-2009, 10:31 PM
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#17
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Re: mustang bogging
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Brevior Est Vita
Join Date: May 2004
City: Iowa City, IA
State: Iowa
Posts: 5,564
Thanks: 3
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yeah you can lol. It isn't a problem... I'll start you a thread, ok?
__________________
2002 Sonic Blue GT, 5 Speed
Mods: MGW Short Throw Shifter, Mach 1 Brakes
Black FR500's, Eibach Pro-Kit, Bilstein shocks/struts, Borla Exhaust, Steeda Wing, Cobra R hood, Cobra mirrors, Terminator Front Bumper, smoked fogs/headlights, Tail-light Tint, Terminator side skirts, Grill Delete, Mach C-pillars, hood shocks
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06-24-2009, 08:16 AM
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#18
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Re: mustang bogging
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WTF^^...
Join Date: May 2003
City: Birmingham / Florence
State: Alabama
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Thanks: 12
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when you click the forums link click on the appropriate forum for your topic and once in there on the top area you will see new thread button, that will allow you to start a new topic.
__________________
2003 REDFIRE COBRA #3938 of 5082 @ 05/27/2003 1 of 414
MGW Shifter, Borla Stinger Polished Catback, JLT Intake, MM FLSF Connectors, MM C/C Plates, H&R Race Springs, IRS Bace, MRT Hood Struts, True Forged Mach 5 18x9 (275/35/18) 18x10 (295/35/18) wheels, Other Mods, My Pics, High Res Pics
400rwhp/380rwtq - Click mods for more info!
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