Question about 2007 Chevrolet TrailBlazer SS

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My gas light keeps coming on even after I fill up but then it goes back to full? Why is this happening?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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bunnydawg
  • 5158 Answers

SOURCE: 2001 hyundai santa fe hard to start engine after filling gas tank

not sure it should happen that fast but it may.... buy yourself a couple bottles of gas line antifreeze and put them in the gas tank... sounds like you have a lil water problem ... this stuff is basically alcohol (not the kind you drink) and it will suck up the water.

Robert

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Posted on Jan 30, 2009

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volvo2103
  • 122 Answers

SOURCE: Fuel Gauge reads empty, but tank IS full

the float in your gas tank seems to have water in it....water is heavier than gas, that's why gas floats on top of water....try putting something like HEAT in it to dry up the water in your tank....

Posted on Feb 03, 2009

mrgreenz
  • 962 Answers

SOURCE: 2002 Misubishi check engine light comes on when gas is below 3/4

Could be a warning that your fuel pump may be going. The gas level monitor is controlled by a float in the gas tank. It is attached to the fuel pump attachments. It too is electronically controlled.

Posted on Feb 12, 2009

slazabaza
  • 47 Answers

SOURCE: Gas guage moves back and forth from emty to full with gas in it

it sounds like the level sensor on the sender (fuel pick up pipe in the fuel tank) is getting stuck. the level sensor is a float that is attached to the sender, and you will need to remove the fuel tank to get to it.

hope this helps.

Posted on Mar 18, 2009

digritz
  • 530 Answers

SOURCE: Gas Gauge Problems

You will have to get the error code before the engine light goes back off. You can do this by inserting the key into the ignition, then turning the key key to the on position three times with in 5 seconds. Remember this is the on position no the start position. Once you have done this the odometer will show the error codes briefly. They will look like this "P0202, P1225, P1400. Make sure you write them down because they can go pretty quickly. Once you have the codes go to the link listed below. It will give you a brief description of what the codes mean. If you need any thing else just let me know and I'll try to help.
The first link will have jeep specific codes, the second will be codes generic to all manufacturers. Just scroll down until you see the code listings.
Good luck.

http://www.obd-codes.com/trouble_codes/dodge/

http://www.obd-codes.com/trouble_codes/

Posted on Sep 08, 2009

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Check engine light comes on after refueling the vhicle. gauge doesn't read full, then it will. light goes out after a day or two.


Also, be sure to not over-fill the gas tank. When filling the tank, when it sounds full (you can hear gas gush up the filler neck) and when the filler clicks off the first time...don't be tempted to keep clicking more gas into the tank because over-filling can cause a variety of problems (including setting the light) and can eventually saturate/ruin the fuel vapor canisters.

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