car died while coasting in neutral

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car died while coasting in neutral

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Mustang >> Ford Mustang Tech >> 4.6 (Modular) Mustang >> car died while coasting in neutral

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car died while coasting in neutral - 5/13/2008 10:12:29 PM

cisurfer

Posts: 1497
Joined: 8/20/2006
Status: offline

well this is the second time this week, first time i thot it was my mistake becuz i have a lanyard on my key and maybe i accidently pulled it and turned the key off but didnt think so and tonight while coasting in neutral my car just shut off, not stutter or nothign just like if i shut my ignition off...started up perfect...i have a 5 spd...and dubarado (who i was following, we live 4 houses apart) said it was posted on here once and it happened wit a person with a 5spd...please help this could be dangerous!

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RE: car died while coasting in neutral - 5/13/2008 11:52:23 PM

NotStok

Posts: 377
Joined: 4/27/2007
From: Dela-where?
Status: offline

http://www.mustangforums.com/m_587901/tm.htm

Clean yer IAC.

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Get some.

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Post #: 2

RE: car died while coasting in neutral - 5/14/2008 5:55:28 AM

ripped camel

Posts: 1336
Joined: 8/9/2007
Status: offline

Also have your battery & alternator tested.

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Post #: 3

RE: car died while coasting in neutral - 5/14/2008 8:22:58 AM

cisurfer

Posts: 1497
Joined: 8/20/2006
Status: offline

and idk if this is related but recently every day on the first start it takes like 6-8 seconds of cranking to start it the engine, its never been like this, even in the winter it would crank 2-4 times not 6-10 like it is now

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Post #: 4

RE: car died while coasting in neutral - 5/14/2008 8:54:36 AM

99BlackPonyGT

Posts: 1654
Joined: 7/21/2007
Status: offline

happened to me...clean your IAC or replace it

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Post #: 5

RE: car died while coasting in neutral - 5/14/2008 1:25:41 PM

hot wheels

Posts: 1235
Joined: 6/16/2005
From: MI/LA
Status: offline

i had the same problem. i changed the iac, still did it. lo and behold i changed my tb/plenum back to stock and now it runs perfect. i saw you have an aftermarket 75mm like i did. don't know if it's causing you the same problems but it's a thought.

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2000 GT 5sp vert
Memphis, 2 Kicker L7, JL Audio
H&R SS, Tokico HD, MM cc plates
SLP LM II / SLP catted x-pipe
Accufab 75mm tb/plm - now a paperweight
MGW short throw / 3.73 frpp gears
VORTECH V-2 SQ / aftercooler
Anderson Powerpipe

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RE: car died while coasting in neutral - 5/14/2008 1:34:28 PM

99BlackPonyGT

Posts: 1654
Joined: 7/21/2007
Status: offline

theres gotta be something else wrong with your car....tb/plenum wouldnt make that happen....maybe you just had it installed wrong or had a vacuum leak

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Post #: 7

RE: car died while coasting in neutral - 5/14/2008 1:50:51 PM

baino

Posts: 1029
Joined: 1/22/2008
Status: offline

If you were running your car hard then threw it into nuetral and it died, it might also be the fuel filter. Sounds lame but it happened to me. Found some bad petro i guess and she died twice on me, swapped it and had no prob. <cheapest to start with on your search

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RE: car died while coasting in neutral - 5/14/2008 3:02:47 PM

karrarararararar

Posts: 16
Joined: 3/23/2008
Status: offline

clean or replace your IAC

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Post #: 9

RE: car died while coasting in neutral - 5/14/2008 3:10:05 PM

doughboy4.6

Posts: 726
Joined: 4/27/2006
Status: offline

Disconnect your batteri you have a sct tune your cumputer will still adapt to changes such as weather and how good the air is worth a try

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Post #: 10

RE: car died while coasting in neutral - 5/14/2008 5:45:27 PM

99BlackPonyGT

Posts: 1654
Joined: 7/21/2007
Status: offline

just try cleaning the iac first before retuning and replacing filters and stuff....cleaning the IAC is free and i would bet a paycheck it would solve your problem

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Post #: 11

RE: car died while coasting in neutral - 5/14/2008 7:10:42 PM

jmsjags

Posts: 288
Joined: 3/13/2008
From: Richmond, VA
Status: offline

quote:

ORIGINAL: 99BlackPonyGT

just try cleaning the iac first before retuning and replacing filters and stuff....cleaning the IAC is free and i would bet a paycheck it would solve your problem

well the fuel filter he should replace anyway. i think it's supposed to be replaced every 20,000 miles or so.

and can't cleaning the IAC mess it up? or is that the MAF i'm thinking about?

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Post #: 12

RE: car died while coasting in neutral - 5/14/2008 7:39:19 PM

99BlackPonyGT

Posts: 1654
Joined: 7/21/2007
Status: offline

yea fuel filter should be replaced anyways...but cleaning the IAC isnt bad either and is most likely his problem...and yea you can mess up the MAF, but the IAC is fine to clean

and fuel filter every 20k miles wont do any harm, but thats serious overkill....

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Post #: 13

RE: car died while coasting in neutral - 5/14/2008 7:55:02 PM

se8504

Posts: 56
Joined: 3/30/2008
Status: offline

omg i had the same problem about a month ago! mine did it when i would put it in nuetral and coast from about 55 mph. but now i am downshifting alot now and dont pop er into N ne more....but one guy said sumthing about overloading the fuel or sumthin, well what they told me is just to do downshifting rather than cruz in N till a dead stop!

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Post #: 14

RE: car died while coasting in neutral - 5/14/2008 8:08:03 PM

99BlackPonyGT

Posts: 1654
Joined: 7/21/2007
Status: offline

guys....clean your IACs, its simple...mine would die faithfully every single time i would put it in N while hitting an off ramp....downshifting everytime is hard on your synchros...it takes 5mins to clean