Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2019 Lexus RC FFACTORY OEM SERVICE PROCEDURE

Removal [09/2014 - ]: Procedure

REMOVE INTAKE AIR SURGE TANK ASSEMBLY
Refer to REMOVAL [09/2014 - ]
REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
Refer to PROCEDURE - Step 8
REMOVE NO. 2 ENGINE COVER SUB-ASSEMBLY LH
Refer to PROCEDURE - Step 2
REMOVE NO. 4 FUEL PIPE SUB-ASSEMBLY
Refer to PROCEDURE - Step 3

REMOVE CASE SEPARATOR

Disconnect the fuel pressure sensor connector.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Remove the 4 bolts and case separator.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

REMOVE KNOCK CONTROL SENSOR

Disconnect the 4 knock control sensor connectors.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	for Bank 2 Sensor 1
*b	for Bank 2 Sensor 2
*c	for Bank 1 Sensor 1
*d	for Bank 1 Sensor 2
	Engine Front

Remove the 4 bolts and 4 knock control sensors from the cylinder block sub-assembly.
NOTE:
If a knock control sensor has been struck or dropped, replace it.

Chapter Navigation

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.