T5 poor performance - ECM-603D
Hi all,
Anyone experienced 'ECM-603D Turbo Control - Too low pressure'?
Symptoms on my car are hesitance at low revs in second gear and sporadic boost when higher up the revs, seems to fade on and off, sometimes holding, other times letting go early. I replaced my TCV at Volvo ~4 years ago now and have another on order. 4 years doesn't seem like very good life expectancy, so doubt this'll fix it.
I also had ECM-1230 air mass - Signal too low a while back but cleaning the MAF seemed to fix this. I've also had the boost pipes pressure tested and they were fine so I don't think it's that.
Anyone any ideas before I start chucking money replacing random sensors.
TIA.
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2006 Volvo S40 T5 SE Sport
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