MEFI Fuel Injection
Fuel Inlet Testing
For a temporary fuel flow test to check for fuel inlet air leaks or inlet restrictions, assemble a "T" with barbed fittings that will allow you to remove the hose easily. Put a clear plastic hose with nylon webbing on one side of the "T" and install on the fuel filter barb. On the other side, install the fuel hose. Install a vacuum gauge at the third fitting that reads from 0 to 30 inches Hg. The vacuum should NOT be above about 2 inches Hg when running. Also, look for air bubbles!
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