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Maintenance / 2006 Manual 6-speed · 4 cyl · 1.8 L

Spark plugs

Use the engine-specific plug type. Check the service schedule and inspect ignition faults before replacing parts.

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IntervalFollow the matching normal/severe-use schedule in the linked manual; inspect sooner if symptoms appear.Verified

01 / Requirements

Configuration-specific service and fitment facts

These sourced values are shared by the specification sheet and the maintenance guides for this exact configuration.

Spark plugs

Spark plug specification
DENSO SK20R11 / NGK IFR6A11 Verified
Spark plug gap
0.043 in Verified

Compatible products (1)

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DENSO 3297 SK20R11 Iridium Long Life Spark Plugs

Specified spark plugs · Each pack contains 4 plugs. This 4-cylinder engine needs 4 plugs: 1 pack covers one complete set. Use the exact plug designation and Toyota’s replacement procedure; protect the fine electrodes and do not substitute a similar-looking part number.

Part number: SK20R11 · 4 spark plugs

Manufacturer details ↗
View product — Amazon.com ↗
Cylinders
4 Verified
Installation
Work on a cooled engine using the specified tightening procedure. Do not adjust a fine-wire plug gap unless its manufacturer explicitly permits it.