Fuel Pump Fault Detection Safety Precautions 1、The Old Fuel Pump In the long used vehicle fuel pump troubleshooting, this type of fuel pump can not be dry test. Because when the fuel pump is removed, due to the fuel remaining in the pump casing, this in the energized test, once the brush and the commutator contact is poor, it will produce sparks ignite the pump casing fuel and cause an explosion, the consequences are very serious. 2、The New Fuel Pump For the new replacement of the fuel pump, also shall not be dry test. Because the pump motor sealed in the pump casing, dry test when the heat generated by the power can not be distributed, the armature will burn the motor once overheating, so the fuel pump must be immersed in fuel for the test. 3、Other Aspects After the fuel pump leaves the tank, the pump should be wiped clean in a timely manner, in the vicinity of its placement should also be avoided sparks, and follow the "first wiring, after the power" principle of safety. Compatible with: 2016 2017 2018 2019 2020 Kia Optima 1.6L 2016 2017 2018 2019 2020 Kia Optima 2.4L 2016 2017 2018 2019 2020 Kia Optima 2.0L 2017 Kia Cadenza 3.3L 2015 2016 2017 2018 2019 Hyundai Sonata 2.0L 2015 2016 2017 2018 2019 Hyundai Sonata 2.4L 2015 2016 2017 2018 Hyundai Sonata 1.6L