Problem with boost on cool starts
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Posting Guru
Joined: Sep 2005
Posts: 2,476
Likes: 2
From: Monroe Michigan
Problem with boost on cool starts
Just in the past week, my truck as very little or no boost when it is cold. While it is warming up,you can hear a leak but can't find it.
When i start to drive it, I can watch the boost gauge and the boost cuts off, then it goes back to normal, you can aiso feel the power cut in half .
Once the truck gets warmed up, she runs fine, and the boost is fine as well
I've check all the fitting for leaks but they are all tight.
Does anyone have a ideal on what it might be.
Thanks
When i start to drive it, I can watch the boost gauge and the boost cuts off, then it goes back to normal, you can aiso feel the power cut in half .
Once the truck gets warmed up, she runs fine, and the boost is fine as well
I've check all the fitting for leaks but they are all tight.
Does anyone have a ideal on what it might be.
Thanks
Posting Guru
Joined: Feb 2004
Posts: 1,873
Likes: 1
From: Phx, AZ
I am guessing it is the EBPV. while it is closed you will loose boost and power. Reason being is air cannot come in if air is restricted going out. The sound you are hearing is the higher pitched sound while the EBPV is closed. Relax you will be fine. In fact start the truck and let it idle a few minutes while it is cold and you will hear it change sounds while it is idling in your driveway. Stand next to the tail pipe and you will really hear the pitch change. Usually happens about a minute or so after start up on a cold engine
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Posting Guru
Joined: Sep 2005
Posts: 2,476
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From: Monroe Michigan
Originally Posted by Kwikkordead
Try unplugging your EBPV for a few days and see if that's not it.
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Thread Starter
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Posting Guru
Joined: Sep 2005
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From: Monroe Michigan
Originally Posted by Kwikkordead
Try unplugging your EBPV for a few days and see if that's not it.
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Post Fiend
Joined: Jul 2005
Posts: 14,582
Likes: 12
From: 21791
no its not there. directly under the front of the turbo. this is from Kwikkordead's post gallery.
its the connector on the right side. dont bother with the object on the left, it doesnt pertain to this mod.
its the connector on the right side. dont bother with the object on the left, it doesnt pertain to this mod.
Cargo Master
Joined: Jan 2002
Posts: 2,079
Likes: 11
From: LA and CO
What does the EBPV do?????? I'm looking at a 2001 that seems like it has no boost until it gets up in RPM, then you can hear the boost start coming in hard!!!!
Part of the problem was a plugged air filter, but it still feels down on power until it reaches the higher rpm's
thanks
Part of the problem was a plugged air filter, but it still feels down on power until it reaches the higher rpm's
thanks
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Posting Guru
Joined: Sep 2005
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From: Monroe Michigan
Originally Posted by strokin_it7.3
that EBPV helped warm up the truck on cold mornings, you may want to allow an exta 3-4 minutes in the morning because there wont be a restriction like the EBPV to hold the heat in. 