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need help with a 96psd

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Old Jul 5, 2005 | 04:57 PM
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kens crewcab's Avatar
kens crewcab
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From: pittsburgh pa
need help with a 96psd

i have a tapping noise sounds like the 3 cyl back on pass side and a slight miss more when its cold does this sound like a bad injector or a big problem[ hard to describe on comp]
 
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Old Jul 5, 2005 | 05:37 PM
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Could be injector going south, or even the infamous "cackle". Got a lot of miles on those injectors? Maybe time to drop a new set in. You blowing any smoke?

Max
 
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Old Jul 5, 2005 | 08:25 PM
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no truck doesn't smoke they do have alot of miles 328,788 , but this does not sound like the famous cackle i hear the also but this is differnt , it sounds like the cackle but alot louder . does it sound like that injector is partly cloug [ 3 cyl back on pass side] and its running lean
 
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Old Jul 5, 2005 | 08:36 PM
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if it has stock injectors, and that many miles, get new ones... all of them, it wont hurt. I think you get yours rebuilt my beans diesel performance or swamps for a fair price, they do upgraded ones too, but i think they will rebuild to stock.
 
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Old Jul 5, 2005 | 09:36 PM
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Originally Posted by kens crewcab
i have a tapping noise sounds like the 3 cyl back on pass side and a slight miss more when its cold does this sound like a bad injector or a big problem[ hard to describe on comp]
You can verify that bad injector by removing the valve cover, unplugging it, and running the engine. That will disable the injector and the knocking sound should go silent.
 
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Old Jul 5, 2005 | 09:38 PM
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Or if you want, just unplug the whole side at the outer plug. The engine will only run on the other bank, but you'll be able to easily verify a bad injector that way.
 
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