Fuel gauge issue - Custom OS

[kjlindgr]

Hey all,

I'm having an issue with my fuel gauge not working once I converted to a custom OS. I had a 1999 computer with OS 09381344 on it. Added a Procharger and switched to operating system 01250003 to handle the boost. My fuel gauge no longer works even after I converted all the fuel system tables to look exactly as they were before. I read some about segment swaps which "might" resolve this issue, but I can't seem to find a tune file that will let me do a comparison within the software. I also had read that perhaps I need to repin the ECU as the fuel gauge output wire was different.

Can anyone help dispel the myths and give me some pointers?

Thanks!

[Taz]

OS 09381344 is a 2000 model year OS, not a 1999 model year OS. EFILive COS 01250003 is an upgrade for 2001 model year OS 12202088.

So …

What vehicle is this in ?

From what vehicle (platform) did you base the 2001 COS ?

[kjlindgr]

The car is a 1999 Pontiac WS6 but I got it with an LQ4 swap in it. When I pulled the tune, it had the 09381344 OS in it. I put the 01250003 OS on it from a 2001 Corvette (12202088). I changed all the fuel tables back to what they were in the original OS as the gauge was working prior. I know the Corvette has a split fuel tank but I was thinking that moving the tables around would have resolved my gauge issue but it didn't.

EDIT: I have the system settings set to an F-body vehicle platform, which is what the original tune was since it is still drive by cable.

[Taz]

OK ... try setting F0512 to the maximum value allowed. If that doesn't work, then you will need to start over again with Camaro / Firebird base OS, prior to upgrading to the COS.

[kjlindgr]

I will definitely try that and let you know. Right now it's set to zero (0).

Can you tell me what the OS number is for the Camaro/Firebird version you mentioned? Same one (12202088) just the Camaro version? I just want to make sure I get it right.

Thanks!

[joecar]

Yes, same, 12202088.