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.

Starting my car.

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Old 01-21-2010, 01:17 PM
  #1  
19stang88
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Default Starting my car.

Every time i start my when the engine is cold, i have to turn the ignition twice for it to start. Shouldn't it start right up without having to crank the engine twice with the acceptation of starting in < 32 degrees weather?
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Old 01-21-2010, 01:24 PM
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PRO50SC
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Maybe losing f/p over night. Next time, try cycling the key twice before actually going to the crank position. See if that helps.
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Old 01-22-2010, 12:30 AM
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19stang88
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yeah i'll try that. so if i am using f/p does that mean im losing fuel
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Old 01-22-2010, 08:28 AM
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Originally Posted by 19stang88
yeah i'll try that. so if i am using f/p does that mean im losing fuel
It means you're losing pressure over time. Leaking injector, but most likely the pump is causing it
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Old 01-22-2010, 10:44 AM
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mjr46
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it means fp is bleeding off internally as long as there are no external leaks, if it's an inj , it bleeds into the head runner/ cumbustion chamber, if it's a pump issue or reg issue it just bleeds back to the tank
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Old 01-22-2010, 11:31 AM
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19stang88
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so would this be a problem that i should fix or can i leave it alone?
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Old 01-22-2010, 12:11 PM
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I guess that would depend on how irritated you are by it.
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Old 01-22-2010, 07:10 PM
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19stang88
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well its no big deal to mean. as long as i can start the car i'm fine. but if the problem is something i should get fixed because it could potentially damage something then yes, i have reason to fix it.
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Old 01-22-2010, 11:01 PM
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mjr46
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if it's the pump then if you can live with it, then do so
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Old 01-23-2010, 12:30 PM
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That sounds about right. the fuel pump was replaced nine years ago and then it sat for 8 years in a garage, (thankfully!) before i bought it. maybe it was replaced wrong.

Last edited by 19stang88; 01-23-2010 at 12:45 PM.
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