Q: During acceleration past 30mph a lot whine starts like a her engine along with very light almost grinding feel in accelerator

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My vehicle will start to whine after speeding up.. Like a jet engine should with a light grinding noise I can't pin point. If I let my truck veer to the wake up could once I've hit them the grinding goes away and the noise lessens. Any ideas?

My car has 399000 miles.
My car has an automatic transmission.

Hello there. Many faults can cause a whine in your 1993 Ford F150 under acceleration. The most common faults would be a belt tensioner, idler pulley, alternator, power steering pump, wheel bearings, or a failing drive belt. A qualified Technician such as one from YourMechanic will be able to diagnose your whine noise and make any repairs required to resolve the issue.

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