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Old 01-07-2011, 01:38 AM   #1
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vibration sensation

When idling around 750 rpms my stand decides to vibrate and shake not like a stall but something else it all started when the new engine was put it. If I put the car in neutral it stops. Any suggestions its annoying
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Old 01-07-2011, 08:35 AM   #2
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Re: vibration sensation

you running the AC (I doubt it this time of year... but you are in FL). If so it could be that. My 01 v6 would idle rough below 700 rpms or so~ if you have a tuner you can modify the idle rpm and bump it up a tad.

You can clean the MAF sensor that helps control idle and the idle bypass valve. I assume its an auto as it would have more load in D while stopped vs N while stopped.

The MAF can be cleaned by using electronic on contact no residue cleaner (NOT brake fluid, can get at autozone), its kind of a pain to get to, why not do a cold air intake while you are dong it to kill two birds with one stone
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Old 01-07-2011, 11:16 AM   #3
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Quote:
Originally Posted by SpectorV
you running the AC (I doubt it this time of year... but you are in FL). If so it could be that. My 01 v6 would idle rough below 700 rpms or so~ if you have a tuner you can modify the idle rpm and bump it up a tad.

You can clean the MAF sensor that helps control idle and the idle bypass valve. I assume its an auto as it would have more load in D while stopped vs N while stopped.

The MAF can be cleaned by using electronic on contact no residue cleaner (NOT brake fluid, can get at autozone), its kind of a pain to get to, why not do a cold air intake while you are dong it to kill two birds with one stone
Why and how do you know everything about a mustang? Your like the mustang whisperer.
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Old 01-07-2011, 11:18 AM   #4
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Yeah he replys on all my post he might be the mustang Jesus
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Old 01-07-2011, 11:20 AM   #5
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Re: vibration sensation

I wish I knew even 10% about them... the only reason I know a few tricks is because I screwed up in the past and had to ask or I found out by having the same issues lol
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Old 01-07-2011, 01:17 PM   #6
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Re: vibration sensation

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Originally Posted by SpectorV View Post
you running the AC (I doubt it this time of year... but you are in FL). If so it could be that. My 01 v6 would idle rough below 700 rpms or so~ if you have a tuner you can modify the idle rpm and bump it up a tad.

You can clean the MAF sensor that helps control idle and the idle bypass valve. I assume its an auto as it would have more load in D while stopped vs N while stopped.

The MAF can be cleaned by using electronic on contact no residue cleaner (NOT brake fluid, can get at autozone), its kind of a pain to get to, why not do a cold air intake while you are dong it to kill two birds with one stone
yup they actually make a MAF cleaner , you can get it at your local partsd store , DON'T USE carb cleaner !!!
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Old 01-07-2011, 02:01 PM   #7
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Re: vibration sensation

my baby used to do that too
it was cause her idle was too low
it helped that i had a tuner so i could just raise it a lil higher and now she is fine
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Old 01-07-2011, 02:29 PM   #8
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Yeah I noticed that cause if I press the gas just a tiny bit and hold it its fine
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Old 01-07-2011, 02:29 PM   #9
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Or if I put it in neutral
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Old 01-07-2011, 03:10 PM   #10
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Re: vibration sensation

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Originally Posted by SpectorV View Post
I wish I knew even 10% about them... the only reason I know a few tricks is because I screwed up in the past and had to ask or I found out by having the same issues lol
same here, there is always something new to learn with cars
it seems like when i think it could be something it could be something completely different
all cars are different and can be tempermental
i know my baby is, lol
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Old 01-07-2011, 07:39 PM   #11
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Quote:
Originally Posted by Rosco

Why and how do you know everything about a mustang? Your like the mustang whisperer.
True story.
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Old 01-10-2011, 11:42 PM   #12
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Re: vibration sensation

im think'n the idle is too low. the alternator stops charge'n at 650rpm. at that point the computer starts to do funny stuff, and the car can start run'n a bit rich cause the plugs aren't get'n enough juice...and the heater (heating element) for the mass air isnt get'n hot enough to give the computer a good measurement.
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