You can find the service manual at most Hitachi heavy duty equipment dealerships. You can also find the manual at most local libraries.
service manual
Service manuals are a dealer only item. The manual for my 2002 XL7 was $184.00
You can view the 2002 Ford Explorer owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides
You can view the 2002 Ford F-150 owners manual on-line at : www . motorcraft service . com ( no spaces ) Click on Owner Guides
You can view the 2002 Lincoln LS owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides
Look in Owner's Manual or ask Google.
Two words . . . E-bay!
Hayne's Fiat Service And Repair Manual
You can view the 2002 Ford F-150 owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides
buy the service manual
Hyundai dealer or service station should stock this
Refer to the user and service manual to see where the Oxygen sensors are on the 2002 GMC Yukon 4.8.