4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

gt stalls and backfires when starting.

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Old 11-27-2006, 03:09 PM
  #1  
str8wick3d
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Default gt stalls and backfires when starting.

Recently I just bought a 2002 GT and it ran flawlessly over the dealer, like it should... But now I start the car and it stalls out even when I give it some gas... If i try again the car backfires very loud. The car has 70,000 miles on it do you think it needs a spark plug change? Or is it something else? Please get back to me A.S.A.P
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Old 11-27-2006, 09:31 PM
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droptoppony
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Default RE: gt stalls and backfires when starting.

Its your IAC valve most likely...
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Old 11-27-2006, 09:33 PM
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Brute03
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Default RE: gt stalls and backfires when starting.

did the CEL come on? can you even get it to run?
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Old 11-28-2006, 01:07 AM
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rvoss5
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Default RE: gt stalls and backfires when starting.

iac, or fuel filter. u COULD have a bad plug or ignition coil. if it's any of these they are pretty cheap to fix anyways.
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Old 11-28-2006, 02:25 AM
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SikGT
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Default RE: gt stalls and backfires when starting.


ORIGINAL: str8wick3d

Recently I just bought a 2002 GT and it ran flawlessly over the dealer, like it should... But now I start the car and it stalls out even when I give it some gas... If i try again the car backfires very loud. The car has 70,000 miles on it do you think it needs a spark plug change? Or is it something else? Please get back to me A.S.A.P
Does it have warranty? Take it in and let them deal with it.
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Old 11-28-2006, 02:29 AM
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CoolAid
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Default RE: gt stalls and backfires when starting.

Its cheezy, but take it to Kragen (Or Shucks or Checker or whatever) and have them put a code puller on it for the hell of it. Its free and it might pull a code even if your not showing dash lights. Worth a shot. Otherwise Ditto SikGT and let the dealer handle it.
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