Part 1 -How to Test the Fuel Pump -No Start Test (Ford 4 In layman's terms, this means the fuel pump will not run. So, it's always a good idea to check the fuel pump inertia switch first. For more info on this, see: Checking The Fuel Pump Inertia Switch. FUEL PUMP TEST 1: Spraying Start Fluid Into The Throttle Body. I'm going to jump into the lack of fuel troubleshooting with the starting fluid test.
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