Possible causes – Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection– Leaking pressure regulator or fuel injector– Engine mechanical condition Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
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Possible causes – Faulty HO2S– HO2S harness is open or shorted– HO2S circuit poor electrical connection– Leaking pressure regulator or fuel injector– Engine mechanical condition Symptoms – Engine Light ON (or Service Engine Soon Warning Light)