Wonder if they'll ship while the union is on strike?
What did you do to your NBS GMT800 Tahoe/Yukon Today?
- Thread starter vwbeaner
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Wonder if they'll ship while the union is on strike?
I don’t think the dealerships are union. It’s just the people building the vehicles that are UAW.
Gotta keep this thread near the top of “today’s posts” ...I replaced the rubber line on my Clean Side Separator with the -6 black braided line that came today. One step closer to having all braided lines.
Bombsquad85
Full Access Member
Hey guys, it's been a while since I've been here, quick question.
My CEL light is still on for the knock sensor and now an 02 sensor.
My question is does anyone know a place to get a good knocn sensor harness I got a cheaper one so I'm sure that's my issue.
Also how big of a difference does new plugs and wires make on performance? My truck is pretty sluggish off the line and it's really frustrating especially since it's a denali with the 6.0l. It only has many 120-130k on it. Or do you guys think I'm over looking something else.
I've cleaned the throttle body, injectors, replaced the o rings, new tb gasket, valley pan gasket, intake manifold has been cleaned and new gaskets. I'm also thinking maybe the fact that the muffler rattles maybe theres a lot of back pressure that's slowing me down since it sounds like the internals of the muffler have rusted off and it may be clogged? Idk if that's a thing
Also I'm getting a new exhaust put on in the next couple months. Just gotta get a few more detail checks lol
My CEL light is still on for the knock sensor and now an 02 sensor.
My question is does anyone know a place to get a good knocn sensor harness I got a cheaper one so I'm sure that's my issue.
Also how big of a difference does new plugs and wires make on performance? My truck is pretty sluggish off the line and it's really frustrating especially since it's a denali with the 6.0l. It only has many 120-130k on it. Or do you guys think I'm over looking something else.
I've cleaned the throttle body, injectors, replaced the o rings, new tb gasket, valley pan gasket, intake manifold has been cleaned and new gaskets. I'm also thinking maybe the fact that the muffler rattles maybe theres a lot of back pressure that's slowing me down since it sounds like the internals of the muffler have rusted off and it may be clogged? Idk if that's a thing
Also I'm getting a new exhaust put on in the next couple months. Just gotta get a few more detail checks lol
The GM part is" Genuine GM 12601822 Knock Sensor Wire" but did you use genuine AC Delco sensors? It's usually aftermarket sensors that go bad quickly. Plugs and wires can make a huge difference depending on what yours look like. And a bad O2 sensor can also have a huge impact on performance since the computer uses them to determine fuel ratios. You also might have a plugged cat to go with the o2 sensor, I'd have a shop check them.
Bombsquad85
Full Access Member
I used ac delco knock sensors.
I'll check the codes again. And see if the o2 sensor is still tripping it.
Idk how to tell if the cats are bad but when I get the exhaust done I'll ask them to look at it and possibly replace them.
I do want to get the plugs and wires done before it gets too cold
Sam Harris
Supporting Member
Are you sure you’re hearing the muffler making noise, and not the cats?
Bombsquad85
Full Access Member
Nope but when I get under the truck the rattling comes is loudest when I'm near the muffler
Tonyrodz
Resident Resident
Try banging on it with a rubber mallet when it's off. You should be able to narrow it down.
Bombsquad85
Full Access Member
I would hit the muffler with my fist and it would rattle like there was stuff in it
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