1998 Mercury Mountaineer code p1131

1998 MERCURY MOUNTAINEER
152,000 MILES • V8 • AWD • AUTOMATIC
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AEATON
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I had my car checked after my check engine light came on and it gave the code p1131 fuel metering, i changed the gas cap to see if that would seal it but what else could it be?
Jan 29, 2009 at 8:23 PM
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DON OLIVER
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ford code p1131 is lack of HO2S11 switches- sensor indicates lean. might be as simple as a failed O2 sensor
Jan 29, 2009 at 8:34 PM
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