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Discussion Starter · #1 ·
Helped neighbor buy a 2002 XC70 with 120K miles last week, he got a great deal on a car with service history since new...drives perfect with a few dings and dents.

It's going to be his sons first car and while practicing maneuvering today the CEL came on. Ran the Vida Dice over it and came up with ECM-91C7 Throttle Valve - Fault Signal, no other codes. Could not get code to return after a reset and short drive.

The owner reported no driving concerns, no hesitation, ect.

Is there a failure trend with this code?

2001 V70 T5
2003 XC70
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