Quantcast Ford Truck Club Forum - View Single Post - 92 Ford f150 5.0 302 rough idle and squealing even when serpintine belts off
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Old March 7th, 2019, 02:51 PM
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glc glc is offline

Join Date: Jul 2012
Location: Joplin MO
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Dying at idle can be a sticky idle air control valve. Jerking randomly could be misfires, which would be spark plugs, plug wires, cap, and rotor. All this can possibly be a bad MAP sensor. The squealing could be the harmonic balancer.

2003 F-150 XL RCSB 2wd 4.2 5 speed 3.55 LS