1994-2004 V-6 3.8 and 3.9L V6 Mustangs

Fuel delivery isses

Old 10/19/18, 05:41 PM
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Fuel delivery isses

2001 v6 runs perfect when it has anywhere from a full tank of gas to a little more than 1/4 of a tank. but when the gas level gets down to a quarter tank, the car is almost impossible to drive due to it stalling and cutting off every 100 ft.
also when you step on it, it feels like it wants to hesitate and it will finally stall. ive replaced the fuel pump about 6 months ago, all the plugs and the cam pos synchronizer. sharp turns the car will cut off too causing me to have to pull over and crank it about 4 or 5 times until it fires back up. my gut is telling me its a fuel pressure type of issue but I don't know what to look for next.

p1285
p1000
p0460
p0453
Old 11/22/18, 09:29 PM
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Check your gas cap to see if the gasket is cracked. Then work your way into the fuel system itself with a fuel pressure gauge and see what kind of readings your getting. Possibly you have a defective fuel pump.
Old 4/15/23, 06:17 PM
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Originally Posted by lewismwagner27
2001 v6 runs perfect when it has anywhere from a full tank of gas to a little more than 1/4 of a tank. but when the gas level gets down to a quarter tank, the car is almost impossible to drive due to it stalling and cutting off every 100 ft.
also when you step on it, it feels like it wants to hesitate and it will finally stall. ive replaced the fuel pump about 6 months ago, all the plugs and the cam pos synchronizer. sharp turns the car will cut off too causing me to have to pull over and crank it about 4 or 5 times until it fires back up. my gut is telling me its a fuel pressure type of issue but I don't know what to look for next.

p1285
p1000
p0460
p0453

I would try something simple like the fuel filter.
Old 4/15/23, 08:53 PM
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Last edited by 05stangkc; 4/15/23 at 09:00 PM.
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