2006 Lexus IS350 Spark Plug and PCV Valve Replacement

Detailed step-by-step DIY. Replacing the spark plugs and the PCV valve, which requires the removal of the plastic intake manifold. Also, cleaning the throttle body and cleaning the K&N air filter while they are off.
This is a typical 60,000 mile maintenance service.
Dealers usually charge more than $600 to change the spark plugs.
It takes about 3-4 hours to do it yourself.
Parts:
Qty. 6 - Denso Iridium FK20HBR11 spark plugs. Lexus/Toyota part 90919-01249. Cost on eBay $25.66 + tax = $27.91
Qty. 1 - Positive Crankcase Ventilation (PCV) valve. Lexus/Toyota part 12204-31050. Cost at Lexus dealer $18.62 + tax = $20.25
Specialty tool:
Tekton brand 5mm long hex 3/8” drive socket. Homedepot.com SKU 1004590892. Cost $6.00 + tax = $6.53

TIMESTAMPS
00:00 Start of video
02:28 Remove plastic covers
03:19 Remove air cleaner
15:28 Remove first coil
19:10 Remove first spark plug
50:18 Remove PCV valve
54:01 K&N air filter cleaning
56:50 Throttle body cleaning
58:24 Begin reassembly of intake manifold
1:08:11 Bolt throttle body to intake manifold
1:10:08 PCV valve hose attachment
1:13:38 Air snorkel reinstall
1:15:36 Oil the K&N air filter
1:18:41 Install plastic covers
1:21:58 Start engine
1:23:21 Job done