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car turns off after i start it

5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

car turns off after i start it

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Old 10-20-2009, 12:42 AM
  #1  
50enzo
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Default car turns off after i start it

i recently changed the upper n lower intake to a cobra intake u/l. ever since then, my car has burned more oil than normal and idles ruff or just turns off.1st start of the morning,it doesnt do it, but if i go in a store and then get back into the car,it turns on fine and right away,but as the rpms come down to hold a reg. steady idle, it will just turn off.i have to hold the throttle down (keepn it stable) for like 30 secs... any rasons to why it does that?
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Old 10-20-2009, 03:24 PM
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projectresto83
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Sounds like you might have a vac line torn or disconnected. How much oil are you talking?
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Old 10-20-2009, 03:47 PM
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mattdel
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i'm gonna go with lower intake gasket problems. improper torque/sequencing will do all of that, and the stalling problem is probably oil from the intake valley being sucked in.
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Old 10-20-2009, 03:52 PM
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projectresto83
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What do your plugs look like?
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