- Jul 22, 2015
- 2,724
Spent another few minutes with Torque on the blue Sierra and tracked down where the O2 sensor data was shown ("I *know* I've seen it before...where the hell is it again?")
Anyway, bank '1' primary is in red; bank '2' is in green. Guessing that I'm going to lose the B1 sensor shortly (no codes yet except a 'pending' P0171; this started as a result of trying to track down intermittent rough idle)
'Good' brands? Bosch, AC Delco, others?
Kind of a virgin at R&R on these; I know there are special sockets available, and they can be a bear to replace. Tips certainly welcomed. Accessibility doesn't look to be an issue, at least.
I'm just going to replace the B1 sensor, unless someone makes a good case for 'both' primaries at once.
The thought just came to mind, as I preview this post...this truck is exempt (!) from emissions testing (meaning that I could someday put in a set of 'long tube' headers, and forgo the O2 sensors entirely - 'tune' them out, as it were -?) Even if that were possible, I still want a quiet exhaust, so as not to be waking my campground neighbours up - been looking at replacements for the Flowmaster that's on it now. And I'm not looking to skip using unleaded gas.
Oh, and I found my Tech2 again yesterday, so will be doing some more in-depth stuff on the Sierra as a result.
Looks like my door switch issues may indeed be with the switch, not a DDM, and that it's sometimes possible to resuscitate them by taking apart & cleaning, vs. just replacing outright. Will be tackling that soon, as I don't want to have the driver's window stuck in the 'down' position (although I suppose I could hook up the handy-dandy Tech2 and 'command' the window back up... 'rise!') 🧙♂️
Anyway, bank '1' primary is in red; bank '2' is in green. Guessing that I'm going to lose the B1 sensor shortly (no codes yet except a 'pending' P0171; this started as a result of trying to track down intermittent rough idle)
'Good' brands? Bosch, AC Delco, others?
Kind of a virgin at R&R on these; I know there are special sockets available, and they can be a bear to replace. Tips certainly welcomed. Accessibility doesn't look to be an issue, at least.
I'm just going to replace the B1 sensor, unless someone makes a good case for 'both' primaries at once.
The thought just came to mind, as I preview this post...this truck is exempt (!) from emissions testing (meaning that I could someday put in a set of 'long tube' headers, and forgo the O2 sensors entirely - 'tune' them out, as it were -?) Even if that were possible, I still want a quiet exhaust, so as not to be waking my campground neighbours up - been looking at replacements for the Flowmaster that's on it now. And I'm not looking to skip using unleaded gas.
Oh, and I found my Tech2 again yesterday, so will be doing some more in-depth stuff on the Sierra as a result.
Looks like my door switch issues may indeed be with the switch, not a DDM, and that it's sometimes possible to resuscitate them by taking apart & cleaning, vs. just replacing outright. Will be tackling that soon, as I don't want to have the driver's window stuck in the 'down' position (although I suppose I could hook up the handy-dandy Tech2 and 'command' the window back up... 'rise!') 🧙♂️