Some 2016-2018 Lexus GS350, IS300, IS350, RC300 and RC350 vehicles equipped with a 2GR-FKS engine may exhibit a rattle/knocking condition at idle from the driver floor area due to fuel line contact with the body.
Areas to inspect for fuel line contact. At left, inspect clearance of the fuel line to the subframe. At right, inspect fuel line clearance to the underbody.
Photo courtesy of Mitchell 1
The fuel line at the white clip may be moved slightly.
Some 2016-2018 Lexus GS350, IS300, IS350, RC300 and RC350 vehicles equipped with a 2GR-FKS engine may exhibit a rattle/knocking condition at idle from the driver floor area due to fuel line contact with the body.
Photo courtesy of Mitchell 1
The fuel line at the white clip may be moved slightly.
Inspect the fuel line for a 0.2-inch (5mm) clearance with the body. Removal of the catalyst heat shield will aid in inspection access.
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