Hyundai Sonata LF: General Information

Hyundai Sonata LF 2014-2019 Service Manual

Service Manual for seventh generation Hyundai Sonata, model years 2014–2019. The Sonata LF is the first model to utilize Hyundai Motor's third-generation vehicle platform...

Important Safety Notice

General Information Proper service methods and repair procedures are essential for safe, reliable operation of all motor vehicles as well as personal safety of the operator...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Heated Oxygen Sensor (HO2S) Description and Operation

Description Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Manifold Catalytic Converter. The sensor output voltage varies in accordance with the air/fuel ratio. The sensor must be hot in order to operate normally...

Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pump Repair procedures

Inspection [Fuel sender] 1. Turn the ignition switch OFF, and then remove battery (-) cable. 2. Remove the fuel pump assembly. 3. Using an ohmmeter, measure the resistance between terminals 1 and 6 of sender connector (A) at each float level...