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After half tank, gas gauge drops down all the way when I stop!

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ned4spd8874
3/6/2008 7:17:22 AM
Just recently my gas gauge has been going crazy.

Once it reaches a half tank, the gauge needle will go down all the way to empty when I make a stop.  I found that if I take it out of gear, the gauge quickly goes back up, but something is definately wrong.  Any ideas out there?  Gas tank float?  Electrical issue?  Gauge issue?
garry2000blazer
3/6/2008 7:26:21 AM
There are a ton of conversations in here about the wacky fuel gauges on these trucks. It is most likely the sending unit - which is attached to the fuel pump. Since the tank has to come out to fix this, I am waiting for my fuel pump to go south before doing the repair. I just reset my trip meter every fill-up and make sure I fill it back up before going much more than about 250 or 260 miles. Been doing that for about 40,000 miles now.
ned4spd8874
3/6/2008 7:37:44 AM
quote:

ORIGINAL: garry2000blazer

There are a ton of conversations in here about the wacky fuel gauges on these trucks. It is most likely the sending unit - which is attached to the fuel pump. Since the tank has to come out to fix this, I am waiting for my fuel pump to go south before doing the repair. I just reset my trip meter every fill-up and make sure I fill it back up before going much more than about 250 or 260 miles. Been doing that for about 40,000 miles now.


Thanks for the reply.  I reset the tripometer every fill up anyway just to see how many miles I've been getting.  I just wasn't sure how it will effect anything when the "low fuel" light keeps coming on.  Never had this new of a car, so I didn't know if it would wig out the computer or something.
swartlkk
3/6/2008 7:38:53 AM
The only thing that uses the fuel level sender is the fuel gauge.  No worries on the 'wig out the computer' front.  
ned4spd8874
3/6/2008 7:40:15 AM
quote:

ORIGINAL: swartlkk

The only thing that uses the fuel level sender is the fuel gauge.  No worries on the 'wig out the computer' front.  


Good to know!  Thanks for the reply!
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