Did i loose a Turbo?

[Big Angry Hillbilly]

Check EBP sensor as well. KOEO EBP (a) should be close to BARO and MAP and should rise a few psi when you start engine.

 

[jdeeg4276]

Yes it only got that hot after driving home. Other wise was only a couple degrees difference.

Thanks.

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[jdeeg4276]

Ebp?

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[Commandos888]

Hello

What year is this?

 

[Commandos888]

check

Do you have any DTCS? is there a code P2263? and if you check PIDS EBP signal is within 1.5 psi of the BARO or 0.15 its good

 

[jdeeg4276]

2004

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[Commandos888]

At WOT what is EBP pids?? if it's not at 45,50psi then there would be an Y-pipe or exhaust leak. Leaking y-pipe are very common.And by any chance when u pulled the VGT actuator out,did you try to manually move the vanes using a magnet? it will move freely.then you could rule out sticking vanes.

 

[Commandos888]

And the VGT actuator uses signals from the PCM to determine the fin locations.it relies on standard engine oil pressure and NOT High Pressure.

 

[Commandos888]

Turbo

Low or no duty cycle= Open Vanes
High duty cycle= Close Vanes
Open circuit or Broken wires Will PUT it default to open vanes.hope this help's you bud.

 

[Commandos888]

hey

Let me know what you find bud,or if there is anything else i can help you with.:thumbup:

 

[jdeeg4276]

Its all great information.

But no boost?

Would the unison ring wide open cause a no boost issue?

I'm gonna hook computer up and see all the other details I skipped over.

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[jdeeg4276]

Here are the current codes.

Here is the ebp readings at koeo

Map sensor at koeo

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The following are all engine running:
this is at a idle of bout 650-700rpm

 

[jdeeg4276]

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[jdeeg4276]

Pretty black and rusty. Was kinda tough to turn at first then just fine.

Don't know if this was the cause but I'm gonna clean up anyways.

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[jdeeg4276]

Don't look like things are moving at all.
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[FallenAuthority]

Nope looks like they were stuck

 

[jdeeg4276]

Fixed. Turbo vanes were all scaled and sooted up. Drives great again. Maybe a little more pep too.

After

before

After with a wire brush

before wire brush as you can tell they were not moving at all

Thanks for all the help. Back to a great trux.

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[Commandos888]

GREAT JOB!!!

:clapping: Glad you found the problem! and yes open vanes is seen at high rpm's so there would be no exhaust restriction,at idle and light throttle there would be small gaps this build velocity of gasses when they meet the impeller.In turn increasing wheel speed=Boost. I seen a code for the FICM??

 

[Commandos888]

hey

Man where those vanes stuck!!! lol!:shocked:

 

[jdeeg4276]

58v ficm.

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