5.0L (1979-1995) MustangTechnical 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.
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working on my buddys 89 lx it idles like it has a miss but you can smell fuel really strong and it smokes whitish blue. we've tested each plug and wire. we pulled codes 41 and 91 (hego lean both sides) if you unplug the maf sensor the cars idle doesn't change, recently replaced the tfi and full tune up
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1987 Mustang GT Hatchback stock motor BBK CAI, 255lph fuel pump, BBK Adj fuel pressure reg, msd dist, maximum motorsports caster camber plates, ram hdx clutch, BBK adj clutch cable and firewall adj, 3g alternator, 03-04 cobra replica wheels, strut tower brace, 3.73 gears fresh clutch packs, Gt40ps trickflow stage one and explorer intake in the works
theres no way fuel would drip from the exhaust. the system is way too hot. that fuel would be vaporized before it hit the mufflers, unless you're literally dumping more fuel into the exhaust than you are burning.
That sounds like a head gasket . the reason it smells like gasoline is because of the vapors that are not being ignited due to the antifreeze dousing the cylinder.
When I turn my key over the fuel pump kicks on like usual but when I get the car started the fuel pump is loud as hell I ran outta gas the other day and I jus got more gas in it and that's when the smoke started I thought it was just dirt in one of my injectors but then it start either not starting or starting hard and idling rough
Before I ran outta gas my car shut off a few times then before I pulled into the drive and it actually died it back fired but it sounded really weird idk I wasn't running it hard and it isn't a daily driver
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