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Anyone have these DTCs come on repeatedly? P1130 and P1128. Have had CE light come on 3 times and

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Old 04-28-2002, 07:34 AM
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Default Anyone have these DTCs come on repeatedly? P1130 and P1128. Have had CE light come on 3 times and
stay on last time. Had dealer's master mechanic look at car for 3 hours but couldn't reproduce the problem. Audi told him that misfires in both banks of cylinders could be an intake problem but everything came up negative includes MAF sensor, O2 sensor, evaporative leaks, fuel condition, fuel pressure, intake system, etc. I'm wondering if it was just a load of bad gas. I use Mobil 93. Any help would be appreciated. BTW, car is running fine now and no CE light has come on after 90 miles of varied driving.
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Old 04-28-2002, 10:30 AM
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Default Sounds like the typical MAF DTC...
Both are Long Term Fuel Trim Lean (Bank 1/2) DTCs. Perhaps a leak somewhere along the system as well.
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Old 04-28-2002, 11:26 AM
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Default They thought the same thing. The MAF sensor was replaced about a month ago and
no leaks were found recently. Still a mystery.
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Old 04-28-2002, 11:30 AM
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Default Is yours a '00?
The Bosch MAFs are notoriously bad. Some arrive DOA as well.
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