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Injector not working after new injector cups
Hi, I have a 2000 f 450 that I just put new cups into, it would not start at first because it had some water in the tank, I dropped the tank,cleaned it out and checked everything in the tank. Now it starts up just fine but it seems to be running on only 7 cylinders, I have read about some people doing a "BUZZ" test, could someone explain what this is and any other way of determining which injector is not working?,would it help to put a strong dose of injector cleaner in and run for a while?. Any help would be appreciated..Bill
Last edited by primolee; 03-06-2012 at 12:17 PM.