Standard power braking assist on a gasoline powered vehicle uses vacuum from the engine intake manifold. There is no vacuum pump.
The i8 does have an electric vacuum pump. Sometimes things fail. Then you are left with no vacuum assist. Just press harder on the brake pedal. The braking system is still intact, don’t be a weenie just exercise your leg to stop.
Last edited by Coastali8; 04-15-2023 at 11:22 AM..
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