P1174 Lexus Fuel Trim Cylinder Balance Bank 1
Possible causes
– Faulty Oxygen sensor
– Ignition problem
– Fuel injection problem
– Engine mechanical condition
– Ignition problem
– Fuel injection problem
– Engine mechanical condition
Tech description
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1174 Lexus Description
The Engine Control Module (ECM) performs a fuel trim cylinder balance utilizing the HO2S, when the calculated accumulated voltage exceeds a predetermined level this code is set
Lexus Vehicle:Lexus ES,Lexus GS,Lexus GX,Lexus HS,Lexus IS,Lexus LFA,Lexus LS,Lexus LX,Lexus RX,Lexus RX,Lexus SC,Lexus GS350,Lexus GS450H,Lexus IS250,Lexus GX460,Lexus IS350,Lexus LS460,Lexus LS600H,Lexus LX570,Lexus RX350