I had the same rattle on my Denali, took forever to find but it's the panel above taillights on both sides. Bottom clip is broke. Put thick piece of double side tape between broken tab and glass. Fixed it, problem is now I can find a part number to order new panels. If anyone knows where to...
They are wired different, thanks for the tip. I'll buy the right kit before I wack on my factory harness though. Turns out I had a blown fuse under hood causing all these problems. Put factory stuff back on Saturday and still had cel, then no start today, probed the fuses and 15 amp engine fuse...
Yeah I cleaned and reoiled it. Maf is new, cleaned it twice. Cleared codes a few times. Just wondering if a maf for an '08 6.2 is different signal than '11 even though it plugs in.
I had an K&N fpik II system from my '07 Tahoe still sitting around so I finally thought I'd put it on my '11 Denali. I knew it would bolt on and fit but now it's mad, figured it might be but hated looking at parts in the box. I'm guessing it's not happy with the older style maf sensor I bought...
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