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Old 12-01-2010, 06:11 AM
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Exhaust pressure Valve question EPV

When my truck is cold and I drive it away, the EPV opens and closes about every 30-60 seconds, is this normal? It does stop when warm. I was thinking it should stay steady? I cleaned the tube and valve and have no codes. Any suggestions?

Thanks Bob
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Old 12-01-2010, 06:23 AM
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At idle, mine would do the open close open close routine before finally closing. My tube was new, so that wasn't the issue. I eventually deleted the EBPV, cause I hated it.
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Old 12-01-2010, 06:25 AM
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agree, mine does the same thing, but I aint gonna take it out cause it gets darn cold here and would suck wamin up not having it.
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Old 12-01-2010, 06:35 AM
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Quote:
Originally Posted by dannanw View Post
agree, mine does the same thing, but I aint gonna take it out cause it gets darn cold here and would suck wamin up not having it.
Mine warms up just as fast as without it, even at idle. If there is any difference, I couldn't notice.
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Old 12-01-2010, 07:02 AM
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the ebpv will open when rpm's get above 2000 rpms and when you slow back down it will again close, perfectly normal and it is working as it was designed.
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Old 12-01-2010, 07:49 AM
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like the other guy said. gut it your truck will warm up just fine without it. i had no probs in the cold the other day(it was about 30) fired right up and went into high idle a min later no prob.
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Old 12-01-2010, 08:43 AM
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Great, thanks for the answers, I thought I was loosing my mind! That is the craziest thing I have ever seen. I will search for some delete kits.

Thanks Bob
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Old 12-01-2010, 09:40 AM
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How about at -30 degrees? I'm being serious too, as I routinely work in North Dakota and during the winter it's colder than a witches tit over there!
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Old 12-01-2010, 09:54 AM
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Quote:
Originally Posted by ProOnThaSnow View Post
How about at -30 degrees? I'm being serious too, as I routinely work in North Dakota and during the winter it's colder than a witches tit over there!
block heater and 5w40 oil. lol
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Old 12-01-2010, 10:24 AM
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Originally Posted by BobQ View Post
Great, thanks for the answers, I thought I was loosing my mind! That is the craziest thing I have ever seen. I will search for some delete kits.

Thanks Bob
Nobody sells a delete kit (that I know of), but you can DIY fairly easy. It's even easier if you know how to weld.

Quote:
Originally Posted by ProOnThaSnow View Post
How about at -30 degrees? I'm being serious too, as I routinely work in North Dakota and during the winter it's colder than a witches tit over there!
Dunno, never had it that cold. Only 0*ish.
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