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Author
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Topic: 04 GT motor dies off
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TrillaJay
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Member # 10274
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posted
 
 
When driving around and letting the rpms go down or while braking or reving, the motor cuts off. Then I would have to start up the motor again with no issues starting. Fuel primes up, so I’m thinking it could be the alternator going out or possibly ignition coil?
It’s a 04 Mustang GT automatic.
Thanks for your input.
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04'MystichromeSVTCobra#524
03'BuiltSilverSVTCobra-SOLD
99'BlackSVTCobra-SOLD
Posts: 2071 | From: EastBay | Registered: Aug 2010
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naked5.0notch
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Member # 14058
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posted
Check the vehicle speed sensor, my friends 99 gt 5 speed would stall sometime coming to a stop sign or light. This could be related to your concern
Posts: 1223 | Registered: May 2015
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sic70stang
CAFords OG
Member # 4347
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posted
definitely not alternator or coils.
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The anti-crew
1987 rolling safety violation.
Posts: 6943 | From: California | Registered: Jul 2005
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fredfifty
Since
9/2010
Member # 10320
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posted
check grounds
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RIP EDSON VELORO
IM A NOOB, EXCUSE ME. THANKS.
92 LX Coupe 5.0 CARB'd BOLT-ONS SMOG LEGAL
62 Rag Impala
Posts: 4953 | Registered: Sep 2010
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TrillaJay
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Member # 10274
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posted
Thanks for ya input. It was the idle air control valve.
[ 2020-01-17, 12:30 AM: Message edited by: TrillaJay ]
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04'MystichromeSVTCobra#524
03'BuiltSilverSVTCobra-SOLD
99'BlackSVTCobra-SOLD
Posts: 2071 | From: EastBay | Registered: Aug 2010
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KevinK
Tech Mod
Member # 9234
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posted
My Mach 1 was doing that. Could not get it out of the driveway most days. It was a bad fuel pump. Check the fuel pressure.
Posts: 202 | From: San Mateo, CA | Registered: Jun 2009
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TrillaJay
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Member # 10274
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posted
Car is acting up again. I changed the idle air sensor earlier, worked out for a while but now it’s cutting off while breaking again, not every time but at random, and the electrical is still on.
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04'MystichromeSVTCobra#524
03'BuiltSilverSVTCobra-SOLD
99'BlackSVTCobra-SOLD
Posts: 2071 | From: EastBay | Registered: Aug 2010
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NK2186
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Member # 12319
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posted
spray brake clean on a lint free rag and open the throttle body and clean the carbon buildup out where the blade seats. carbon buildup will cause this problem. removing the throttle body and using a toothbrush is a good way to do it too.
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90 LX 5.0 - Stolen/stripped
89 LX 5.0 - Stolen and missing as of 7-24-13. LIC# 4HIP151 :(
99 Cobra
00 Exploder
Posts: 400 | From: Haystack | Registered: Aug 2012
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98 ROUSH
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Member # 10309
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posted
Bad fuel pump. It’s going out
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Built 2v
Stroked, Cammed and Blown
Advanced Auto Built & Kurgan Tuned
Posts: 4678 | From: North Hayward, Cali | Registered: Sep 2010
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