Hi I have a 2001 v70 2.4 and have the same problem, I replaced the tps with the sacer and the same erratic idle, limp home mode etc... Did you ever solve your problem as I am now in the same boat. I got these codes from volvo before tps change ECM 9150, 91b7, 532d, 620a, 903f, 9160, 91f0 and 980f. T...