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Old 01-29-2010, 11:25 AM
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seems loader than normal

hey guys i new here and i dont know much about diesels. the problem is that when i get to about 2200 rpms it seems like the turbo sounds differnt than when it did in the summer time. i also notice a smell through the vents when i first take off driving. i let it warm up till it reaches the first normal line. the smell is only there intill it gets out of warm up mode. i have checked for leaks on the up pipes and i dont see anything noticable. i am lost please help!!
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Old 01-29-2010, 11:39 AM
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First of all welcome to the org. When your turbo and oil is cold your truck will sound different. As you know, different metals expand and react to heat at different temperatures at different times. I have noticed the same thing with my truck. What is the smell like? During the "warm up" mode your EBPV is closed to attempt to heat your engine up more quickly. By doing this it is actually restricting the amount of exhaust that is actually exiting your vehicle (to heat it up more quickly). If your truck is in "warm up" mode you do not want to drive it hard or you can float a valve. I hope this helps bud
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Old 01-29-2010, 11:45 AM
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hey thanks for the reply and it smells like burnt smell and like when i drive it when its still not a normal temp it cuts in and out kinda sound like a jet at the exhaust but if i push the gas alittle harder it sounds fine again its probly normal when it warms up.
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Old 01-29-2010, 02:05 PM
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Quote:
Originally Posted by 2000_psd View Post
hey thanks for the reply and it smells like burnt smell and like when i drive it when its still not a normal temp it cuts in and out kinda sound like a jet at the exhaust but if i push the gas alittle harder it sounds fine again its probly normal when it warms up.
dunno bout the smell but the jet noise is the ebpv.
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Old 01-31-2010, 07:25 AM
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the smell will be hard to diag over the internet, but check the basics, fuel leaks, exhaust leaks ect..
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Old 02-02-2010, 05:31 PM
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the burnt diesel smells different when its cold maybe this is the smell, been around diesels for a while so that smell is not abnormal to me but might be to a newbie
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