Possible causes – Air leakage or restriction in intake or exhaust system– Dirty engine oil or oil level too high– Front HO2S or MAFS contamination– Fuel system– EVAP system– Faulty sensor signals Symptoms – Engine Light ON (or Service Engine
Possible causes – Air leakage or restriction in intake or exhaust system– Dirty engine oil or oil level too high– Front HO2S or MAFS contamination– Fuel system– EVAP system– Faulty sensor signals Symptoms – Engine Light ON (or Service Engine
Possible causes – Air/Fuel Ratio Sensor 1 harness is open or shorted – Air/Fuel Ratio Sensor 1 circuit poor electrical connection – Faulty Air/Fuel Ratio Sensor 1 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1166 ACURA
Possible causes – Air/Fuel Ratio Sensor 1 harness is open or shorted – Air/Fuel Ratio Sensor 1 circuit poor electrical connection – Faulty Air/Fuel Ratio Sensor 1 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1166 HONDA