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I made a discussion on the GMT400 forum but thought I'd cross post here, as well as I'm mostly worried about moisture near the ECU You can see my full images here but the short of it is that I'm getting a mildewy smell up front on the passenger side now that the weather is wet/humid, but am not...

I was unlucky the other day and had the upper intake thread tab break in half on my lower intake, so I had to source a yard unit and am in the process of replacing it. I don't know whether this is just 26 year old original gasket material or at some point it was replaced and glued on, but...

I've been replacing all the GPs this weekend in what I hope is the last instance of a recurring P380 and--excluding a real adventure with a seized shield nut behind the the DP (which the previous owner welded to the exhaust so I couldn't drop it)--it hasn't been too much of a challenge. I...

I had a random P0380 pop up a few times near the end of last month; which was strange because it was so warm that I'd think the glow plugs wouldn't even need to come on. I replaced the controller a couple years ago (forget the brand though) so I was going to be a bit upset if that was the...

I've got 235/85s on my Suburban with 3.73s and need some opinion as to whether this is within normal error range for these trucks. I just did a 155 mile trip after fill-up and the trip meter is at 149.5 so roughly 3.5% under. Unfortunately, I forgot to take a pic of my regular odometer to see if...

In the middle wrapping up the last leg of a camping trip with the spouse when the SEL light came on this morning; typical P0380 but it was probably around 70 deg this morning and I don't even think glow plug controller would've even turned on. Cleared it and went about the morning, but it came...

Just wanted to give a formal hello. I've been lurking since last spring when I was looking for a diesel truck. I finally found a 98 Suburban in August and, thanks to this site and a few vendors, have started doing 'reliability' upgrades to it. There's a few unknowns that I still need to figure...