1998 Ford Contour 2.0L comes in with the MIL on and a "runs bad" on the RO. To get right to it the vehicle had a P1131-Lack of O2B1S1 switches. ST fuel trim through the roof at +33% at idle. Baro at 150hz(a little low for here). A new MAF, plugs, wires and fue... Login to read more.

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