ebpv cycling
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Senior User
Joined: Oct 2016
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ebpv cycling
Is the ebpv supposed to cycle or provide a constant increased back pressure? I'm guessing my sensor is going. I cleaned the tube and sensor out 6 months ago. While I'm driving down the road it's cycling driving a constant speed on flat ground pretty steadily till it warms up. Not a big deal, just obnoxious. No codes and koeo the map and ebp are the same. I have noticed that while idling it bounces the turbo pressure delta gauge courtesy of tugly bounces between .1 and .7
FTE Chapter Leader
Joined: Jan 2005
Posts: 13,094
Likes: 4,705
From: Henderson, NV
It depends. Steady throttle cruising on flat and level (and I mean FLAT and LEVEL) roads with no winds, no it shouldn't pulse. The PCM commands it to open any time acceleration or more power to get up a hill/fight a breeze is requested.
Monitor MAP and EBP to see if they are close in value while cruising. If they are, then you should be okay.
Monitor MAP and EBP to see if they are close in value while cruising. If they are, then you should be okay.
Cargo Master
Joined: Aug 2003
Posts: 2,332
Likes: 442
From: Eastern Washington
I'm pretty sure it's supposed to disengage anytime you touch the accelorator or brake, at least thats how mine works. Mine only closes when the truck is parked.
I did have the problem your describing, I belive cleaning the ebpv tube and replacing the sensor resolved it.
I did have the problem your describing, I belive cleaning the ebpv tube and replacing the sensor resolved it.
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