A high-pitched, loud squeeling noise is indicative of a bad serpentine belt, or bad tensioner.
Also suggest that you get the CEL code read. AutoZone usually will read CEL codes for free.
96 Contour SE
Duratec V6 24-valve 2.5L ATX
108,000 mi.
Replaced: crankshaft w/ DMD, EGR valve (clogged), EVR, DPFE, PCV valve, evap emissions hose & tube (cracked), window regulator (broken), LH & RH PCV tubes, UIM gasket (leak), ignition coil
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