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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]
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?
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
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.
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.
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.