Bmw didn't design their hpfp seals and inner components to be resistant to ethanol because they don't have ethanol in gasoline in europe Another day passes and ford says they find a leak on the pinion seal and used a stethoscope to verify bearing noise within the front differential Typical signs of an hpfp starting to go are long cranks on startup.
Bad Control Arm Bushing Symptoms - Car Makes a Clunking Noise - 1A Auto
A ranting or screeching noise is among the most common symptoms of a bad fuel pump
If you hear any unusual noises coming from the fuel pump area, it could indicate a.
However, the symptoms you're mentioning—especially the clunking noise when accelerating—are typically linked to drivetrain components rather than the timing chain itself. I bought the truck used from a dealer (not ford), it came with carfax and that says the tranny was replaced before i bought it by the original owner at a ford dealer, i don't recall if it says why.