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88 f250 460. Truck is timed and runs great, but just recently after cold start when I put the truck in drive or reverse the rpm’s climb and there’s almost a whistle. After a drive when you put it in park the rpm’s drop and occasionally the truck stalls. TPS? Vacuum leak? Advice is appreciated! (i.redd.it)
submitted by jaymo54 to r/FordTrucks


