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Old 04-17-2019, 10:27 AM
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DmaxMaverick DmaxMaverick is offline
Join Date: Apr 2001
Location: CA
Posts: 12,568

I'm not sure where that sensor is. JK and others should, though. The NOx sensor should be about the last one in a line of the bunch. And yes, I believe an Alldata subscription would be helpful. Not only for location and description, but also the pinout of the connector, and perhaps an alternative for the connector that GM has but doesn't have. I don't have any L5P Alldata subscriptions (haven't had a need, yet), but that would be my first step if I had an issue such as yours.
1985 Blazer 6.2
2001 GMC 2500HD D/A
2014 Chevy Cruze Diesel - Fabulous car, no problems at all, but sold Nov. 2016 @ 55K miles.
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