... , 300,000 kilometers lifeThe installation location::1, for carburetor cars, it is usually installed in vacuum ... lead to brake failure.Debug method:1, For carburetor car series:(1) Remove the Heat sealing mat ... engine, or on the PCV valve.2, for EFI car series:(1) Find the intake manifold vacuum closest ... the filter, use gasoline or cleaning agent to clean or replace it.3, When completed, according to ...