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Original O2 sensor... I was thinking the same thing.. Would explain rough idle and poor fuel economy.. So would MAP.. (Easier to change first)..
whoah.. are there 2 O2 sensors? Front/rear? Which one usually goes bad?
IPD turbo control valve.. replaced a while back. I was thinking the control spring/diaphragm on the Turbo itself could be gone..
Below 2k its a slug.. Between 3500 and 7k.. its still a rocket(and smells like it to..) and noticeable faster than 01 S60 T5. I also had the IPD ecu upgrade 2 days after I bought it.. that was a while back. (Other note, transmission neutral upgrade deleted the IPD ecu mapping)
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01 Volvo V70 T5, 01 Volvo S60 T5,87 Maserati Biturbo
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