Symptoms of a bad or plugged ebp sensor

loboost · Dec 30, 2013

Onmy 06...

Finally got my live wire updated and it now reads ebp.

At idle ebp is reading like 55-65 psi and increases from there.

I'm running 175/stock, billet power Max , ede up pipes, 4" mbrp with a muffler.

I'm have zero driveability issues. No codes. Anyone wanna take a jab?

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Atsah · Dec 30, 2013

Everytime mine was plugged I would get a CEL..

loboost · Dec 30, 2013

Atsah said:
Everytime mine was plugged I would get a CEL..

That's what I feared.

What would cause just a high bp:boost ratio?

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Atsah · Dec 30, 2013

EBP is ignored with the later flashes, and the info is derived from other sensors.. My truck was an 03 and that's probably why I got the CEL and you don't on your 06..

I have heard that if the EBP tube is blocked you will get some black smoke and turbo issues but I never experienced that I would just get a CEL, bring it in and they would clean the gunk out and I would be good for six months, the thing is a PITA...

6.fast · Dec 31, 2013

Mine reads the same. It'll go well Into the 100s at wot. Truck runs fine and it's been that way about a year. Might check to see if it's plugged but I say if it ain't broke don't fix it.

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loboost · Dec 31, 2013

The livewire didn't monitor ebp out of the box. That only came to be with the recent update...

Last time I looked at ebp was when I had an x3/insight combo and ebp was nowhere near what it is now...but then again I was on stock parts then as well.

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HeavyAssault · Jan 1, 2014

Are you running an aftermarket turbo??

Dave · Jan 1, 2014

Ebp is NOT IGNORED with the later flashes. Its only ignored in the later flashes on 03-04 trucks.

Ebp reads high with a plugged sensor. Especially when below freezing temps. Can cause rough idle till warm.

Just went through this on my 06

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Dave · Jan 1, 2014

Is this a livewire ts or the old livewire?

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loboost · Jan 1, 2014

Dave said:
Is this a livewire ts or the old livewire?

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i use the newest, the 5015

HeavyAssault said:
Are you running an aftermarket turbo??

in my op, yes I'm running a billet power Max

Dave said:
Ebp is NOT IGNORED with the later flashes. Its only ignored in the later flashes on 03-04 trucks.

Ebp reads high with a plugged sensor. Especially when below freezing temps. Can cause rough idle till warm.

Just went through this on my 06

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temps have been in the upper 40s to low 70s here lately. I haven't had any cold idle issues as of yet. I can't say how long ebp has been this high as I haven't monitored it in almost a year.

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HeavyAssault · Jan 3, 2014

I'd say the LiveWire is reading it wrong. Is there any way for you to check EBP with a different device??

loboost · Jan 4, 2014

HeavyAssault said:
I'd say the LiveWire is reading it wrong. Is there any way for you to check EBP with a different device??

I'm going to hook my otc genesys up sometime and see what it says but haven't done it yet.

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Dave · Jan 4, 2014

Yeah at 40-70 the Livewire is reading it wrong. Its not a frozen sensor issue. Its a conversion equation issue

loboost · Jan 4, 2014

Dave said:
Yeah at 40-70 the Livewire is reading it wrong. Its not a frozen sensor issue. Its a conversion equation issue

Any simple way to remedy this? Or is it just an sct tech issue?

I would think a separate gauge and port would suffice but I'm not interested in yanking my up pipes just for that.

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bboteler · Jan 5, 2014

I've also noticed different tuning can vary EBP...not by the numbers your describing but tuning can play a role to some degree. What does your truck read with a stock tune?

loboost · Jan 5, 2014

bboteler said:
I've also noticed different tuning can vary EBP...not by the numbers your describing but tuning can play a role to some degree. What does your truck read with a stock tune?

Not as high...but still very high. Hitting 100psi of backpressure at 1500-2000 rpm high. I'm starting to think its an sct issue as I noticed my boost this morning , according to the live wire was -2psi....

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sootie · Jan 8, 2014

loboost said:
Not as high...but still very high. Hitting 100psi of backpressure at 1500-2000 rpm high. I'm starting to think its an sct issue as I noticed my boost this morning , according to the live wire was -2psi....

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can also be a bad ebp sensor issue, we had a truck with a bad ebp sensor and every cold start it would throw a turbo underboost code.