Two problems related to engine knocking noise have been reported for the 2000 Ford F-250. The most recently reported issues are listed below.
: the contact stated while driving 35 mph on a city street, there was a loud banging noise coming from the engine compartment followed by the vehicle operating at a reduced speed. The contact pulled the vehicle over for inspection. After opening the hood, a single spark plug was sitting atop the engine. The vehicle was towed to the dealer to await further inspection. The manufacturer was alerted.
Started engine, heard pop sound, engine suddenly ran bad. Mechanic said spark plug blew out (stripped). Mechanic said this is common Ford problem, a defect, and expensive.