Engine Codes - P1131, P1129, P1127

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Old 10-16-2006, 10:35 AM
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Default Engine Codes - P1131, P1129, P1127

Check engine light on..had the code read and it is listing:
P1127 - exhaust not warm
P1131 - Lack of HO2S switch - sensor indicates lean
P1129 - Downstream heated 02 sensors swapped

Any Ideas whats going on here?
Old 10-16-2006, 02:56 PM
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Default Re: Engine Codes - P1131, P1129, P1127

the audi code library is a little different:
P1131 - Bank2-Sensor1 Internal Rsistance too High
P1129 - Long Term Fuel Trim mult.,Bank2 System too Rich
P1127 - Long Term Fuel Trim mult.,Bank1 System too Rich

Does this help?
Old 10-16-2006, 04:35 PM
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bad O2 sensor (or two) - had any work done on the car lately?
Old 10-16-2006, 04:36 PM
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yup, you definitely have at least one bad O2 sensor
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