Introduction: Engine Crankcase Breather Filter (Honda Civic 1999 D16Y7).
When I had installed my simple warm air intake for improved fuel economy, my crankcase breather no longer had properly filtered air.
Although the engine has worked fine, I decided to put a simple filter to allow clean air into the breather.
Step 1: Installing the Mini Air Filter.
This filter is actually a low cost fuel filter. It works great for air though. Now the crankcase can breath properly.
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