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Old 06-20-2007, 11:39 AM   #1
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just gotta stang need help please

i just bought a 99stang with the 3.8 and when it idles it has a rattling noise coming from the exaust i believe. sometimes the idle drops from 800-600 when it does this the noise occurs. any info would be helpful,thanks
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Old 06-20-2007, 12:03 PM   #2
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Re: just gotta stang need help please

It may be the heat shield on one of the cats, or you have a loose exhaust hanger
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Old 06-20-2007, 12:14 PM   #3
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Re: just gotta stang need help please

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Originally Posted by rydog View Post
It may be the heat shield on one of the cats, or you have a loose exhaust hanger
when you load the engine the rpm will drop a little in idle. When does the drop and noise happen in netural or braking ???
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Old 06-20-2007, 02:04 PM   #4
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Re: just gotta stang need help please

when im stopped in gear or neutral. the idle drops
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Old 06-20-2007, 02:29 PM   #5
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Re: just gotta stang need help please

Could be TPS (throttle position sensor). Are you getting any codes ??? Have you check for vacum leaks Hopefully one of the resident experts will come up with a answer for ya
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Old 06-20-2007, 02:41 PM   #6
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Re: just gotta stang need help please

wat do you mean by codes im new at this
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Old 06-20-2007, 03:29 PM   #7
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Re: just gotta stang need help please

he means is your check engine light on
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Old 06-20-2007, 03:42 PM   #8
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Re: just gotta stang need help please

no nothing of the sort
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