Question about 1999 GMC Sonoma

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I replaced my feul sending unit in my sonoma and now my car wont run. there no gas being sucked up out of the tank. but it does register right now

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You may have not plugged the pump in fully or the strainer got damaged. Your best bet is to drop the tank again and check your connections and strainer.

Posted on Aug 01, 2009

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1 Answer

1977 Porsche 924 New fuel pump and filter no gas just air.


I would check the fuel lines where they attach to the sending unit. The rubber inside of the nylon weave is probably rotten and sucking air instead of pulling the fuel up and out of the tank.

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When I fill up my gas tank the gauge registers at 5/8th of a tank. Occassionallt the gauge will register a full tank but while I'm driving it will go back to 5/8th.


Your fuel sending unit is probably a little sticky...
I wouldnt worry about it... It's the bottom half of the tank of gas that matters , right?

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My gas gauge wont register


this problem is caused by a defective gas gauge sending unit, the sending unit is located inside the gas tank, check in the trucnk for an access plate, look under the trunk carpet area over the tank, if no access is found the fuel tank must be removed to replace the sending unit.

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1998 cadillac seville feul gauge doesnt register just filled up o reading


Most likely your fuel sending unit or the wiring to it. its located on your fuel tank. the tank will have to be dropped to replace it.

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To clarify my problem.... My 99 Chevy Silverado ran out of gas one day. As you know when this happens it sometimes toast the fuel pump... So i did have to replace the feul pump. It was a junkyard fuel pump...


It sounds like the fuel pressure check valve on the fuel pump has gone bad and your losing fuel pressure when engine is turned off. Try priming the fuel pressure twice, that's when you turn the ignition keys to the run position with out starting the engine for 10 seconds and then turning the key's to the off position and on again for 5 seconds. After the second prim the engine should start, to check this you can lone out a fuel pressure gauge and check the fuel pressure at the shredder valve. You should have 62 to 65 PSI during prim and once the engine is running, it should drop by 5 psi. As for your the accuracy on reading the right amount of fuel in your gas tank, the sensor is apart of the fuel pump sending unit and the float may have gotten bent and nothing you can do to fix it unless you take the fuel pump out again and replace the sending unit. Good luck and keep me posted.

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1 Answer

Fuel pump will not trun on


sometimes when u hit the bottom of the gas tank the feul pump will turn on. if this is the case then u have to replace the feul sending unit.

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Hyundai terracan 2.9 deisal 04 runs fine when feul tank is full but when it gets to quater of a tank of feul starves it self of feul then engine light comes on and stalls. to get it to start again you...


dear friend: i think that your terracan is actually running out of fuel even if the guage shows quater,you can also put the old fuel filter back and try it,we did discover some of the new filters sucking air.

Sep 09, 2009 | 2004 Hyundai Santa Fe

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Under 1/2 tank, truck boggs down when step on gas


It is sludge and water in the tank. When you fill it water goes to the bottem of the tank and the good fuel goes on top where the fuel pump is.

Jul 18, 2009 | 2001 Ford Explorer Sport Trac

1 Answer

Feul pump not working on a daewoo matiz


Need to replace it. It is located in the gas tank. Drain the gas as much as possible and then drop the gas tank. Disconnect the leads on the top of the fuel tank where sending unit is and unscrew. Remove and place fuel pump.

Jun 23, 2009 | Daewoo Nubira Cars & Trucks

1 Answer

Fuel gauge is not reading


to the right , i am assuming to the "full tank" reading. am i right?

if i am right, the wire from the gas tank is sending a full tank signal what ever the content of the tank.

meaning the wire is shorted to ground.
or the sending unit is faulty. there is a short to ground reading between the sending unit.

you can test which one is faulty. remove the wire from the sending unit. observe the gauge. if the gauge would go to " empty" then the culprit is the sending unit. if it stays on " full tank", then the wire is faulty.

WARNING: GASOLINE IS EXTREMELY FLAMMABLE. BE VERY CAREFUL IN HANDLING NEAR THEM.


tnx 4 using fixya,

drcool

Sep 23, 2008 | 1997 GMC Sonoma

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