How to install the spark plugs and related components on Toyota Sequoia?

A 16 mm plug wrench should be used to bolt in the 8 spark plugs for the 2UZ-FE engine with a torque of 18 Nm (178 kgf-cm, 13 ft-lbf). Position the 8 ignition coil assemblies with the help of 8 bolts which need to be torqued to 7.5 Nm (76 kgf-cm, 66 in-lbf). Afterward, connect the 8 ignition coil assembly connectors. Next install the Bank 2 air switching valve assembly before attaching both the Bank 2 air tube and No. 2 air injection system hose. Proceed to connect the No. 1 water by-pass pipe before installing the front fender apron seal right-hand side. The technical sequences includes installing the air switching valve assembly for Bank 1 and the No. 3 air tube and the No. 2 air hose then putting on the front fender apron seal LH. To finish the installation place the throttle body cover assembly together with the air cleaner hose assembly.

OEM Toyota Sequoia Spark Plug

Ignition Spark Plug

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Toyota Sequoia Plug, Spark
Part Number: 90919-01191
$11.10 MSRP: $15.46
You Save: $4.36 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Spark Plug
- Replaces: 90919-A1002
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2008-2022 Toyota Sequoia | Limited, Nightshade, Platinum, SR5, TRD Pro, TRD Sport | 8 Cyl 5.7 L FLEX, 8 Cyl 5.7 L GAS
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Toyota Sequoia Plug, Spark
Part Number: 90919-01295
$18.99 MSRP: $26.43
You Save: $7.44 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Spark Plug
- Replaces: 90919-A1006
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2023-2024 Toyota Sequoia | Capstone, Limited, Platinum, SR5, TRD Pro | 6 Cyl 3.4 L FULL HYBRID EV-GAS (FHEV)

Toyota Sequoia Spark Plug

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The Spark Plug operates in Toyota Sequoia automobiles as a controlled source of the electric spark that ignites the fuel/air mixture within the cylinders. It works by supplying an electric current from the ignition system into the combustion chamber so as to produce a spark to enable running of the engine. The spark plug contains a metal shell, central electrode and ceramic insulator hence has to operate with high voltage ranging from 12000V - 45000V. In the course of time different kinds of spark plugs are used in Sequoia models, for instance with multiple ground electrodes, and spark surface-discharge spark plugs which help to optimize ignition efficiency and the service life of the spark plug. Routine inspections are also critical in checking if the engine has features of wearing out such as presence of carbon or signs of overheating.

Toyota Sequoia Spark Plug Parts and Q&A

Plug, Spark
90919-01191
Q: How to install the spark plugs and related components on Toyota Sequoia?
A:
A 16 mm plug wrench should be used to bolt in the 8 spark plugs for the 2UZ-FE engine with a torque of 18 Nm (178 kgf-cm, 13 ft-lbf). Position the 8 Ignition Coil assemblies with the help of 8 bolts which need to be torqued to 7.5 Nm (76 kgf-cm, 66 in-lbf). Afterward, connect the 8 ignition coil assembly connectors. Next install the Bank 2 air switching valve assembly before attaching both the Bank 2 air tube and No. 2 air injection system hose. Proceed to connect the No. 1 water by-pass pipe before installing the front fender apron seal right-hand side. The technical sequences includes installing the air switching valve assembly for Bank 1 and the No. 3 air tube and the No. 2 air hose then putting on the front fender apron seal LH. To finish the installation place the throttle body cover assembly together with the air cleaner hose assembly.