Quote Originally Posted by genIIIdude View Post
I had a thought with my fuel gauge issue, and yes I know it may be extreme. I'm thinking of getting a newer fuel tank from a Suburban to replace my 98's. That way I'll be running the newer fuel tank and fuel pump assembly and should have no issues with the LS ECM reading the fuel sender. The only issue that I see could be that the stock 98 gauge would still not read the info coming from the LS ECM - does anyone have any experience with this.
I have never tried that, BUT, I don't think so. The issue is not the PCM receiving info from the fuel sender. The issue is the PCMs output to the gauge. It needs to be changed in the tune.

Jeff