Truck has 66k miles. Starts fine and idles fine until the engine gets warm and then you can feel a tremble in the seat. It also does this at approx. 45 to 50 mph after its warm. Dealership has cleaned the air intake system and reprogrammed the computer and there are no codes stored.
Open to suggestions. Thanks
2005 Ford F150 - 4.6L Tremble At Idle After Warmup
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Re: 2005 Ford F150 - 4.6L Tremble At Idle After Warmup
Any chance you have a bad mount?
Paul
Pauls Automotive
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paul@paulsauto.com
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Pauls Automotive
6318 Falls Road
Baltimore, Md 21209
410-825-2224
paul@paulsauto.com
TRUE HAPPINESS IS WITHIN YOU
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Re: 2005 Ford F150 - 4.6L Tremble At Idle After Warmup
Does it have any missfires on the counter?
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Re: 2005 Ford F150 - 4.6L Tremble At Idle After Warmup
Sounds like a vac leak to me.
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Re: 2005 Ford F150 - 4.6L Tremble At Idle After Warmup
Fuel trims?
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Re: 2005 Ford F150 - 4.6L Tremble At Idle After Warmup
sound like something from drive train touching body. Fuel trims and other data would help
- steven kiser
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Re: 2005 Ford F150 - 4.6L Tremble At Idle After Warmup
If i were to guess and i am for lack of information , i would go with the speed factor meaning when it shifts into over drive and the vibration being present after warm up in drive. If it were stated that at the speeds indicated you could make the noise come and go by pressing and releasing the gas pedal i would be inclined to agree with something hitting the body or something that isn't insulated. This reminds me of the Green Muzi Ford that wouldn't start.
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Re: 2005 Ford F150 - 4.6L Tremble At Idle After Warmup
Engine mounts are good and no misfires on the counter
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Re: 2005 Ford F150 - 4.6L Tremble At Idle After Warmup
What are the fuel trims