Ford 3.0 L duratec ignoring o2 signals
Hi guys, does any of you know what cause this 98 ford taurus with dohc 3.0 vin S to ignore o2 signals (900mv closed loop but no change on fuel trims) or runs fully rich. It does only with vehicle speed. I disconnect vss and o2s switching right away. thanks ale... Login to read more.
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