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The 2002 Toyota Highlander runs on regular unleaded.
It will use R134a Freon..........
134A
R134a
R134a
R134a
Freon is the trade name for R12. Your car contains R134 or R134a which is not Freon.
It does not use freon. It uses R134A refrigerant, as do all newer cars since sometime in the '90s.
A 2002 model year vehicle will use R134a refrigerant.
The 2002 ford Ranger uses type R134 Freon. The Freon is added in the low pressure port of the ac system.
Freon is a trade name. Most use Puron now.
R134a