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Error code P1128 & P1130


Vehicle Information: Year: 2000; Engine (type, size, modifications): 2.7 liter; Total Mileage: 60129; Transmission: Manual;

DME indicated air/fuel mixture problem.This came on after I ran Syntech feul injector cleaner.I changed my fuel filter since and the engine light went off then came back on within 15 miles.-I talked with someone who had a problem with another car but syntech cleaner & they had to replace their oxygen sensor.Any suggestions?Thank you

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