isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

Fuel Filler Cap|Description and Operation|Page 3182 > < Fuel System - Top Tier Detergent Gasoline Information|Page 3178
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Fuel Filler Cap: Description and Operation

The fuel filter cap includes a vacuum valve and a pressure valve.
If high vacuum or high pressure occurs in the fuel tank each valve works to adjust the pressure in order to prevent damage to the tank at the EGR
valve.

Fuel Filler Cap|Description and Operation|Page 3182 > < Fuel System - Top Tier Detergent Gasoline Information|Page 3178