02 sensor would cause a lack of power and glowplugs could put engine light on,
I have a feeling just replacing the turbo is a waste of time and probably won't cure your problem,
Have you checked for boost leaks, ie had the intake system smoke tested,
Is the swirl flaps on front of engine ok
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04 XC90 D5 --- Big bus
00 pug 306HDi --- Run about
88 pug 309GTi --- Project track car
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