A (possibly) different fuel gauge issue?
Thread Starter
Advanced
Joined: Oct 2024
Posts: 54
Likes: 39
From: Near Tallahassee FL
A (possibly) different fuel gauge issue?
I know the fuel gauge has been discussed here ad nausem. I've read volumes on it, and I think I have a pretty good handle on how the system works, and the issues associated with it. What I'm experiencing seems to be different... Maybe?
So, the fuel gauge drops to empty, sometimes shows a little above 1/2. When it drops to empty, however, I don't get the check gauges light, nor is a trouble code set. The HUD shows full, which is correct... the tank is full. Is it possible that the analog gauge is faulty, but the HUD is accurate?
I also wonder if only the left side tank is full, and the crossover tube is blocked. This would cause a trouble code though, right?
Forgive me if this has been discussed before, and I couldn't find the thread.
So, the fuel gauge drops to empty, sometimes shows a little above 1/2. When it drops to empty, however, I don't get the check gauges light, nor is a trouble code set. The HUD shows full, which is correct... the tank is full. Is it possible that the analog gauge is faulty, but the HUD is accurate?
I also wonder if only the left side tank is full, and the crossover tube is blocked. This would cause a trouble code though, right?
Forgive me if this has been discussed before, and I couldn't find the thread.
Last edited by castlemusic; May 1, 2025 at 01:15 PM.
Melting Slicks
Joined: Mar 2004
Posts: 2,403
Likes: 408
From: Horseshoe Bend ID
Okay, yes there are a bazillion threads on this topic. To your question: the ONLY source for the fuel level (analog gage, MPG, range, HUD) are the two senders in the tanks. If one of those is bad, all kinds of weird stuff happens.
Drifting
Joined: Mar 2018
Posts: 1,365
Likes: 414
From: New Jersey
I know the fuel gauge has been discussed here ad nausem. I've read volumes on it, and I think I have a pretty good handle on how the system works, and the issues associated with it. What I'm experiencing seems to be different... Maybe?
So, the fuel gauge drops to empty, sometimes shows a little above 1/2. When it drops to empty, however, I don't get the check gauges light, nor is a trouble code set. The HUD shows full, which is correct... the tank is full. Is it possible that the analog gauge is faulty, but the HUD is accurate?
I also wonder if only the left side tank is full, and the crossover rube is blocked. This would cause a trouble code though, right?
Forgive me if this has been discussed before, and I couldn't find the thread
So, the fuel gauge drops to empty, sometimes shows a little above 1/2. When it drops to empty, however, I don't get the check gauges light, nor is a trouble code set. The HUD shows full, which is correct... the tank is full. Is it possible that the analog gauge is faulty, but the HUD is accurate?
I also wonder if only the left side tank is full, and the crossover rube is blocked. This would cause a trouble code though, right?
Forgive me if this has been discussed before, and I couldn't find the thread
Thread Starter
Advanced
Joined: Oct 2024
Posts: 54
Likes: 39
From: Near Tallahassee FL
Running Guns & Moonshine
Joined: Aug 2001
Posts: 12,574
Likes: 7,249
From: CT
Get a gauge cluster from another car. They sell for $100 to $250 if you want a Z06 one.
You can take it all apart and swap your car's DIC/board onto the other cluster with different gauges. It keeps your accurate odometer, etc.
You can drop the knee bolster and unbolt the column to get the cluster out easily and quickly without removing the dash which is a much larger project.
You can take it all apart and swap your car's DIC/board onto the other cluster with different gauges. It keeps your accurate odometer, etc.
You can drop the knee bolster and unbolt the column to get the cluster out easily and quickly without removing the dash which is a much larger project.
