IrinaT Posted March 25, 2011 Posted March 25, 2011 I have an engine light for a almost a year now. First error was P0171 - replaced oxygen censor and vacuum hose. After driving around the corner the same error came up, and now half year later I decided to check again what is engine light means. Today pulled out three codes P1150, P0440, P0171. I reset battery and engine light went off, went to do emission test - passed. Drove few miles and light came up again. Any advise? What else to replace?
lenore Posted March 26, 2011 Posted March 26, 2011 When you replaced sensor did you use Denso OE or aftermarket.?
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