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Home >> Buick >> 2004 >> Rainier 5.3 P, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System - 4.2L (Introduction)) >> Description and Operation >> Fuel System Description >> Fuel Fill Pipe
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Fuel Fill Pipe

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The fuel fill pipe has a built-in restrictor in order to prevent refueling with leaded fuel.

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