... the engine5, 300,000 kilometers lifeThe installation location::1, for carburetor cars, it is usually installed in vacuum tube between ... Debug method:1, For carburetor car series:(1) Remove the Heat sealing mat between carburetor and combustion chamber, and put on special pads ... lowest.4, Because EFI car has automatic repair function, it is normal when idling speed increase and then drop immediately.5, ...