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Old 07-27-2011, 07:56 PM
Towster Towster is offline
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1997 psd injector buzz test

I just got done with down pipe litter box clean out for the cat, and removed that ebpv, ran like it was mising intermitantly, so i hook up my ae software and did a buzz test, all sounded sharp and snappy but one i believe its # seven not bad but alittle muffled best explains it, the other give away was after idle for about five minutes , it just plain burned your eyes,the scanner says they all passed the test,,,,not convinced.???? ALITTLE MORE HELP If you can??
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Old 07-28-2011, 12:45 AM
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Get it up to operating temperature and run a CCT. Might give you a better idea whats happening. Can't remember off the top of my head what the sequence is on the buzz test.
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Old 07-28-2011, 06:34 AM
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i just watched a video somewhere here on the forum,,, a link or something, and i think the guy said ,that the buzz test goes in order 1-2-3-4-5-6-7-8. not sure either got to fined that tutorial again. thank you.
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Old 07-28-2011, 03:43 PM
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what is a cct?????
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Old 07-28-2011, 03:52 PM
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Cylinder contribution test. IIRC
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Old 07-28-2011, 04:36 PM
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Buzz test sould fire all 8 first then 1-8 in order
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Old 07-28-2011, 05:50 PM
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the buzz test worked well except for #7 was a little muffled, the cct was alittle odd, when i activated the test at idle after a couple seconds it acted like i shut the key off, for a fraction of a second, then back to normal, i guess what im trying to say is i would think it would try to kill each cylinder one at a time, this sounded like it killed 5 or six at once for that fraction of a second, i am using auto enginuity scan tool enhaced ford!!!, what do ya think???? How sould the contribution test work????
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