This graph below tells the story. Starting from Q2 2014 when the price of WTI crude was $105 (green line). You can see that Personal Consumption Expenditures (blue line) rose by an additional $353 billion, cumulative, over the ensuing four quarters.
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The reddish brown line is Non-Residential Private Domestic Investment. Even that rose, though not by much. (Oil effect.)
The economy grew more slowly because imports increased so yes, there was leakage. However, demand was strong.
