5.0L General DiscussionThis section is for non-tech specific information pertaining to 5.0L Mustangs.
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When I start the car up 1st thing in the morning or after it has sat for more than a 6 or so hrs I have a hard time keeping a decent idle. I start it and give it a super fast light tap on the gas to keep it running( multiple times) is the only way to keep it from shutting down. I leave for work around 5am so I'm conscience of disturbing the neighbors with multiple starts.
Once she does start and I'm driving it it sounds like a VW Beetle's exhaust (old school VW Beetle) with a slight sputter all through 1 gear, I 1st thought it was from a exhaust leak but since that was fixed it's still doing it.
Both issues are only when the engine is cold 1st start of the day, once I'm at work for a couple of hrs then leave and drive it's fine no starting issues and no sputtering.
Thanks on advance.
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That's where I'd start also, then pull codes just to see if you have a sensor or switch that's not reading right. ECT sensor ???
306 with all bolt ons, letter cam, ported E7's, T5 swap, full exhaust, 3:55's, 2" drop, and the worst paint you'll ever see or feel.
Dyno'd 300/316, 2745lbs-track scale
Best ET………12.4@108, 1.66 60ft on 8" ET Drags.
24 mpg (combined)
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