AFTER TRUCK HAS SAT A FEW HOURS AND I PROCEED TO...

2005 Ford F-150

Tiny

skid212

October, 30, 2012 AT 6:21 PM

After truck has sat a few hours and I proceed to accelerate from a dead stop, I can hear a flutter /miss sound coming through the exhaust. When this is happening, the truck feels very sluggish as if a choke was on. Then around 40mph, the motor tends to kick in and starts running fine. The sluggish feel and flutter sound seems to go away.

In the past 4 months, I've replaced all plugs, fuel filter, oil, exhaust manifold, both cam phasers, replaced transmission fluid, cleaned MAF sensor, throttle body and have had Flowmaster single in/dual out exhaust installed. Once the truck has been running awhile, the problems seem to go away until it sit again. Please help!

1 Answer

Tiny

hmac300

October, 30, 2012 AT 7:26 PM

Scan for codesa and check fuelpressure first. Then check intak vacuum if 15" or belowsuspect clogged converter.

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