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2005 Ford F-150 XL 4.6L High Pitch Vac Noise
Posted to Ford Driveability on 11/7/2010 18 Replies

This only happpens in 35 and colder. only happens after setting over night for example, or several hours when cold. the noise will happen usually at 40 to 50 mph at a light accel, or cruise. it you put throttle past 2/3, then it will stop, bring back, it start...

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Message Closed w/Summary

car Vehicle Data

2005 Ford F-150 XL

VIN 1FTRX12W35
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / has elec. throttle control
EmissionsOBD-II Compliant
SymptomsHigh Pitch Vac Noise
OccursCold, Cruise, Temperature Below 35 Degrees
Message Closed w/Summary

car Vehicle Data

2005 Ford F-150 XL

VIN 1FTRX12W35
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / has elec. throttle control
EmissionsOBD-II Compliant
SymptomsHigh Pitch Vac Noise
OccursCold, Cruise, Temperature Below 35 Degrees