Cummins Service Topic 5-135

“Like water diesel fuel contains a certain amount of dissolved air in it depending upon the fuel temperature, and the amount of agitation and aeration the fuel has been subjected to.”

Caterpillar; Special Instructions 651-1250

“Normally no. 2 diesel fuel contains about 10% air … This instruction describes the use of the 2p8278 fuel flow tube to observe the fuel flow and determine engines power loss due to excessive air in the fuel.”

Caterpillar Bulletin pehp 7046

“Injector damage can be caused by anything in your fuel system that should not be there including … air bubbles.”

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