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Old 05-16-2009, 03:22 PM   #1
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mustang bogging

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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Old 05-16-2009, 08:06 PM   #2
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Re: mustang bogging

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?
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There was a case of the stuff stacked at the end of an aisle. Definately not cold or in the cooler. Also it was over $7 for the two bottles.
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Old 05-16-2009, 08:36 PM   #3
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Re: mustang bogging

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.
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Old 05-16-2009, 09:08 PM   #4
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Re: mustang bogging

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.
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Old 05-16-2009, 09:24 PM   #5
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Re: mustang bogging

backfiring through the intake is usually a timming issue.
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Old 05-16-2009, 09:36 PM   #6
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Re: mustang bogging

how come it only does it when i punch it? and it ll of a sudden just started doing it
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Old 05-16-2009, 10:17 PM   #7
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Re: mustang bogging

your dist. may have moved.
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Old 05-16-2009, 10:54 PM   #8
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Re: mustang bogging

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)
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Quote:
Originally Posted by sti2gsxr
There was a case of the stuff stacked at the end of an aisle. Definately not cold or in the cooler. Also it was over $7 for the two bottles.
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Old 05-17-2009, 08:41 AM   #9
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Re: mustang bogging

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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Old 05-17-2009, 09:53 AM   #10
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Re: mustang bogging

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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Old 05-23-2009, 09:09 PM   #11
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Re: mustang bogging

turns out it was an egr malfunction
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Old 06-23-2009, 06:59 PM   #12
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Re: mustang bogging

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
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Old 06-23-2009, 07:48 PM   #13
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Re: mustang bogging

Quote:
Originally Posted by Chasity View Post
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
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.
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1994 GT, stock gears, stock shifter, stock engine, stock rims (or knock offs).

Quote:
Originally Posted by sti2gsxr
There was a case of the stuff stacked at the end of an aisle. Definately not cold or in the cooler. Also it was over $7 for the two bottles.
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Old 06-23-2009, 10:12 PM   #14
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Re: mustang bogging

I have a 2006 Gt. 4.6 liter, 3 valve
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Old 06-23-2009, 10:19 PM   #15
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Re: mustang bogging

Quote:
Originally Posted by Chasity View Post
I have a 2006 Gt. 4.6 liter, 3 valve
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...
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Old 06-23-2009, 10:30 PM   #16
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Re: mustang bogging

im sorry im new to this and cant figure out how to do that
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Old 06-23-2009, 10:31 PM   #17
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Re: mustang bogging

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im sorry im new to this and cant figure out how to do that
yeah you can lol. It isn't a problem... I'll start you a thread, ok?
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Old 06-24-2009, 08:16 AM   #18
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Re: mustang bogging

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.
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