Originally posted by mr_froge:
Same problem, replaced BOTH sensors and did a hard (battery disconnected) ECU reset and everything is fine.......
What do you mean by BOTH O2 sensors? There are 4 O2's in the car. I am gonna change the ECT sensor tomorrow and if that doesn't fix the problem I may have to try the O2 sensors and just want to make sure that I replace the likely ones.
2001 Volvo S40-Perrin MBC@ 11psi, EST intake, 35% tint, still slow
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