Trouble with Air / Fuel gauge ( I think)....


BAT

BAT

GT Owner
Mark II Lifetime
Oct 11, 2012
946
Central Mitten
Trouble with Air / Fuel gauge (Britospeed)...

Took the GT out last night for roughly 50 miles and noticed my air / fuel gauge bouncing everywhere. Didn't matter if I was on the gas or sitting still. The car had sat for a few days before last night and also, I have the Britospeed gauges. The other gauges seem to work great. Just wondering how to proceed...

Thanks,

Brian
 
Last edited:
V

Vincent998

GT Owner
Apr 30, 2012
571
Oregon - state of twisties and few patrols.
What gauge is that? I have Speedhuts and have no air/fuel gauge ....
 
B

beckertb

GT Owner
Nov 29, 2006
509
Beaumont, TX
If it is a wideband setup, The O2 sensors on these things go out from time to time and always gives wacky readings. That is where I'd start my troubleshooting session.......
 
BAT

BAT

GT Owner
Mark II Lifetime
Oct 11, 2012
946
Central Mitten
Oops.....they are not Speedhut gauges. They are Britospeed.
 
fjpikul

fjpikul

GT Owner
Mark IV Lifetime
Le Mans 2010 Supporter
Jan 4, 2006
11,503
Belleville, IL
Made by Lucas? Not familiar with this brand of gauges. Does this mean the "boost" gauge?
 
B

beckertb

GT Owner
Nov 29, 2006
509
Beaumont, TX
Only reference I could find is that of the replacement boost gauge like we have on the black car....one of the 30 psi ones?
 
Xcentric

Xcentric

GT Owner
Mark II Lifetime
Jul 9, 2012
5,213
Myakka City, Florida
BAT

BAT

GT Owner
Mark II Lifetime
Oct 11, 2012
946
Central Mitten
Xcentric said:
http://www.fordgtforum.com/forums/showthread.php/14672-Air-Fuel-gauge-by-Shadowman-and-Britospeed

View attachment 35434
Click to expand...

That is the one and thanks for the link. As I mentioned earlier, it bounces from 10 - 18 all the time and the green light turns on and off intermittently. Sounds like a job for the GT Guys this winter along with some other items.

Thanks
 
B

beckertb

GT Owner
Nov 29, 2006
509
Beaumont, TX
Is your car highly modified? If not just have them replace it with the factory gauge that was removed to install that gauge anyway....jmo...
 
BlackICE

BlackICE

GT Owner
Nov 2, 2005
1,416
SF Bay Area in California
I have a Brito a/f gauge if you need one. I switched to Speedhut.

It could be a bad the gauge, sensor or controller or all three.

The controller is Innovate LC-1. You can hook up a serial port to the controller and test the function of it and the sender.
 
BAT

BAT

GT Owner
Mark II Lifetime
Oct 11, 2012
946
Central Mitten
BlackICE said:
I have a Brito a/f gauge if you need one. I switched to Speedhut.

It could be a bad the gauge, sensor or controller or all three.

The controller is Innovate LC-1. You can hook up a serial port to the controller and test the function of it and the sender.
Click to expand...

Cool. I will do some testing and get back with you. Thanks a bunch.
 
N

nota4re

GT Owner
Mark IV Lifetime
Le Mans 2010 Supporter
Feb 15, 2006
4,196
Follow the calibration procedure and see if this fixes it. Most times it will.
 
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