Year of Manufacture *: 2006
Engine Size and Code *: 2000 RHR
( Optional ) ECU Type: Siemens SD803
( Optional ) Scanner Used: Lexia
( Optional) Fault Codes: Low boost
Just lost it's mojo a few days ago. The only code was for low boost,or words to that effect.
It would boost if revved hard but not at low speed.
Vac is supply is good and holds for some time after stop. Copy position follows request within a couple of percent. Likewise for air mass.
Intake is clear to plastic manifold, intercooler bypass butterflys are in correct position, one open, one closed. EGR blanked temporarily. Exhaust dropped after first cat. All to no effect.
My diagnoses was Turbo control vanes clogged, rusted or similar.
Fitted recon unit, guess what, just the same.
They are sending me a new actuator and position sensor. I am not optimistic as both seem to work correctly.
Read lots of stuff in the archives on this engine code. Nothing quite matches this one.
Running out of ideas, any input gratefully recieved.
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