Volvo AWD S80 Forum

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ECU Code S80

I've got a 2000 S80 turbo with the following codes. P1171 Lean 1, P1181 Fuel Comp Hi, P0172 Rich 1. I've already had two of the oxygen sensors replaced but the code still comes in. Any help is appreciated. Thanks in advance.








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generic fault codes S80

Those aren't Volvo codes so who misdiagnosed your 2 O2 sensors?
Modern day Volvos are best diagnosed by the dealers Vadis PC and that PC can also monitor things like O2 sensors, etc before condemming parts.
Those generic scan tool fault codes don't mean anything to me as is and I won't guess from here.







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