2000 Ford Expedition Q&A
2000 Ford Expedition Question: How much is it to replace all four shocks (struts) on my Ford Expedition?
https://repairpal.com/estimator?car_type_id=2846 Spark plug replacement and shocks are listed in the Estimator tool. The check engine light really needs to be tested to find out what is going on that needs attention. Humming sound - the fuel pump makes some nominal humming from the fuel tank area, but it's not necessarily an indication of pending failure. - DaveJHM