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    AOS Install then OBD fault code p0390

    Have likely diagnosis effecting the engine harness, possibly where it plugs into the main harness. Currently CEL is very random...is off more than on. Car performance never changes when on, except cruise and S# is off line. Thinking a pin in the plug, or perhaps a stretched harness wire when...
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    AOS Install then OBD fault code p0390

    Topic search didn't find results. Only install was IAG AOS on 2020. 200 miles later error code P0365 and P0390 (yea both sides exhaust banks 1 and 2). Other than CEL no engine symptoms..idles, runs at speed, accelerates like factory. Not sure how an electrical problem popped up in this case...
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