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22-05-2010, 10:06 AM
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#1 | ||
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Regular Member
Join Date: Jul 2009
Location: Adelaide
Posts: 107
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Hi having some trouble with fuel gauge, when tank full it reades full but drops down to empty (empty light comes on ) then goes back up to full again around every five minutes. When around half a tank just sits on a third and doesnt move DTE is useless and reads around 500Ks all the time ???
 Please Help |
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22-05-2010, 10:20 AM
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#2 | ||
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FG XR6 Ute & Sedan
 Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,537
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The sensor it the tank probably needs replacing or adjusting. It has a small arm that moves on a conductive track to vary the resistance to give a reading and that arm can either wear a groove in the track or move away from the track so that it makes intermittent contact.
If minor bumps in the road make the gauge change this is a good sign of the problem. It can sometimes be fixed by bending the arm so that it makes better contact or if it has worn a groove bending it so that it is no longer in the groove. However, given the hassle involved in removing the sender to repair it, it best just to replace it. And while a sparking shorting sender unit arm sitting in fuel fumes as it makes intermittent contact with the conductive track is not as actually as dangerous as it sounds, it something I prefer to avoid. Also check the wiring harness plug closest to the sender is not damaged or loose.
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regards Blue |
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22-05-2010, 11:22 AM
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#3 | ||
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Regular Member
Join Date: Jul 2009
Location: Adelaide
Posts: 107
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Cheers aussieblue what if gauge goes up and down car stationary and not running ??
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22-05-2010, 11:29 AM
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#4 | |||
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FG XR6 Ute & Sedan
Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,537
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Quote:
Then try bouncing the car at the rear while you watch the gauge - if it moves it will point at the sender.
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regards Blue |
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22-05-2010, 12:41 PM
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#5 | ||
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Regular Member
Join Date: Jul 2009
Location: Adelaide
Posts: 107
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Cheers mate will give it a go tnite.
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24-05-2010, 02:37 AM
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#6 | ||
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Moderator
  
Join Date: Feb 2005
Location: Kenthurst
Posts: 40,403
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LPG model ... or petrol????
If LPG ... they have know issues with senders on the side of the tanks.
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25-05-2020, 04:04 PM
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#7 | ||
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Regular Member
Join Date: Jan 2010
Location: Motueka, New Zealand
Posts: 384
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Fg2 gage says 2/3rds bug tank is full, car says empty but can only fit 20L in can it be reset?
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Current 2009 FG GTP Sold 2003 boss 260 xr8 daily driver 1991 eb1 xr8 once a year driver, factory cassette player |
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Fuel gauge issues.
Linear Mode
