Toyota Highlander Service Manual: Ignition system (2AZ-FE)

Ignition

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On-vehicle inspection

NOTICE: In this section, the terms "cold" and "hot" refer to the temperature of the coils. "Cold"means approximately -10 C (14 F) to 50 C (122 F). "Hot" means approximately 50 C (122 F) to 100 C ...

More about Toyota Highlander:

On-vehicle cleaning
1. INSPECT FINS BLOCKAGE (a) If the fins are clogged, wash them with water or a steam cleaner. Dry with compressed air. NOTICE: If the distance between the steam cleaner and the core is too close, the fins may become damaged. Keep the following injection distance. Standard: If t ...