any recommendation of an additive for this vehicle? it has 120,000 miles and has developed a "hot idle" ticking/tapping noise. it is quiet when cold and it is quiet once hot and reved above idle, but the noise returns a few seconds after its back to idle.
i have went from 5w20 - 10w30 and am using motorcraft filters.
the Lucas oil rep recommended 5w20 and a quart of the LOS.
i have went from 5w20 - 10w30 and am using motorcraft filters.
the Lucas oil rep recommended 5w20 and a quart of the LOS.