Hello.

Today marks one year since I purchased my latest RR. A 2008 Vogue SE. It has not been all smooth sailing, as she ate her turbos in the first week. URghh!

This occurred right after I blanked the EGRs (I did this because I had a previous 2006 Vogue SE which ingested its EGRs and damaged a piston in the engine!)

Anyways, I got 2 new turbos from Midland Turbos and had them installed. That was in July of last year and since then it has still been cutting the power regularly.

I brought it to my mechanic and they replaced the two top intercooler hoses and the driver's side manifold, whereby they said there was a hairline crack. Despite this being done it's still cutting the power, with the following codes.

P023D-22 - Manifold Absolute pressure - turbocharger/ supercharger boost sensor A correlation.
P138F-21 - Turbocharger boost control position sensor B minimum/ maximum stop performance.

What steps would you take to try and solve this?

Could it be an incorrectly sealed EGR blanking kit?
Could it be a poorly performed EGR software delete ( I have an IID tool which I could use to redo it)

The airflow metres read different levels. I attach a screenshot taken at 50MPH, maybe this would shed some light.

Thanks, everyone. Really want to get this sorted now.

Click image to enlarge

Click image to enlarge

Seemed to have solved this problem!

Disconnected the EGRs. It must have been a bad delete.

Will most likely purchase the delete with the IID tool.

Hi. Can you advise further on the delete please. I’ve just bought a 2008 3.6 TDV8 which is showing this code. Tym
(current) L322 3.6 TDV8 Vogue 2008 Tonga Green
(previous) L322 4.4 LPG Vogue SE 2003

If it sticks, force it. If it breaks, it needs replacing anyway.

Other thing I'd check is that the turbo actuators can move freely. 2015 Range Rover Autobiography 4.4 SDV8