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Old 10-22-2011, 09:27 PM   #1
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gas gauge

My gas gauge says I only have half a tank, but it is filled to the brim. Any ideas? It's been doing this for about a week now.
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Old 10-22-2011, 09:41 PM   #2
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Quote:
Originally Posted by chewyc14
My gas gauge says I only have half a tank, but it is filled to the brim. Any ideas? It's been doing this for about a week now.
my gas gauge messes up a lot. usually its only when the weather is cold though. my car does a lot of weird things when its cold outside though...idk what the answer is, but it could be the same problem...?
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Old 10-22-2011, 10:10 PM   #3
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Mine is doing the same thing. Only happens right after i fill it. After I start it a couple times it reads correctly.
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Old 10-22-2011, 10:39 PM   #4
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I had the same problem with my Nissan. I had an extra gauge cluster from a parts car, I swapped them out and it hasn't done it since. If it's not the gauge itself, it's likely gonna be a problem in the assmebly of the Fuel Pump.
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Old 10-22-2011, 10:47 PM   #5
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Possibly. It is getting cold here so it may be part of the issue
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Old 10-22-2011, 11:17 PM   #6
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I have a 08 GT and it happens to my car sometimes. I don't think it has anything to do with the cold weather because it happens to mine all year long. Like other people have said, it just corrects itself after a few minutes and a restart.
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Old 10-22-2011, 11:36 PM   #7
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Quote:
Originally Posted by ThatGiRLKriSsiE
I have a 08 GT and it happens to my car sometimes. I don't think it has anything to do with the cold weather because it happens to mine all year long. Like other people have said, it just corrects itself after a few minutes and a restart.
But mine has been like that for over a week now. And its my dd so its not like its not getting driven enough
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Old 10-23-2011, 01:18 AM   #8
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Re: gas gauge

Not sure what cold weather has to do with the electronics, because the gauge gets information electronically sent to it from the sensor in the tank. The needle is controlled by a stepper motor that moves according to the info it receives from the computer. A possible explanation is that you have a faulty fuel sending unit. I read on another forum that using Lucas fuel injector cleaner or some type of fuel system treatment could help also. You could also use the digital fuel readout to check your fuel level.
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Old 10-23-2011, 04:19 AM   #9
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Re: gas gauge

mine did that for a while then went away
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Old 10-23-2011, 11:05 AM   #10
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Quote:
Originally Posted by 02Nate281
Not sure what cold weather has to do with the electronics, because the gauge gets information electronically sent to it from the sensor in the tank. The needle is controlled by a stepper motor that moves according to the info it receives from the computer. A possible explanation is that you have a faulty fuel sending unit. I read on another forum that using Lucas fuel injector cleaner or some type of fuel system treatment could help also. You could also use the digital fuel readout to check your fuel level.
So fuel injector cleaner may help? It seems like a lot of people have had this problem but it seems to go away after awhile, I think I'm gonna ignore it for awhile and if it doesn't adjust I'll try something else
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Old 10-29-2011, 10:25 PM   #11
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just thought i would post this...i didnt know our gas tanks were this big lol
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Old 10-30-2011, 10:53 AM   #12
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Lmao howed you manage that
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Old 10-30-2011, 11:08 AM   #13
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my gages just suck. both of them hardly ever work right.
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Old 10-31-2011, 11:53 AM   #14
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Re: gas gauge

if i leave my car running when im pumping gas it wont read full, if i turn off the car and pump it. then its fine.
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Old 11-03-2011, 11:55 PM   #15
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That's how they're supposed to work - gauges don't work properly if you ump gas while engine is on. Turn off engine while filling up. As for that weird over full indication, must just be a messed up gauge
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Old 11-04-2011, 10:48 AM   #16
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Re: gas gauge

I don't know if it's a wiring issue or what, but I believe the guage pods on the S197's are just crappy in general. I had to replace my guage pod earlier this year because it finally bit the dust. It had been going bad for about a year, with each guage going out one by one. It started with the speedo, followed by the oil guague, then the battery, then temp, & finally the gas guage. The only one that still worked was the tach, so I finally replaced the whole pod; Never did get a straight answer as to why it went bad. By the time I replaced it, the broken guages were all upside down as shown in soccerfreak's picture above.
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