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I have a 1978 gmc 1500 it starts some days recently it turns on and won't start I poured Gas in the carb and it starts. When the gas is going it won't start

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  • 34 Answers

Fuel pump or fuel filter. There is a small fuel filter where the line goes in the carb

Posted on Nov 11, 2014

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 97 GMC Sonoma

checked fuses , #9 fuse for fuel pump was loose.

Posted on Jun 22, 2008

  • 330 Answers

SOURCE: I have a 1981 Toyota

check the fuel pump, maybe it is not working. if you put a new accelerator pump, I wonder if it's same as the fuel pump. if so, maybe you need to rebuild your carb, clean the small fuel line in the carb, something block there.

Posted on Jul 27, 2008

bunnydawg
  • 5158 Answers

SOURCE: 2000 gmc sonoma starting problems

basic trouble shooting time... check that there is spark and move on to the fuel system if there is... possibly poured to much gas down and it's flooded.

P.S. if that is an old engine with lots of miles on it and you poured too much gas down the carb you may want to check your oil... raw gas may have leaked down into the oil pan as well

Robert

Posted on Sep 07, 2008

  • 51 Answers

SOURCE: 98 GMC starting problems

Take off your gas cap and have someone stand there with thier ear at the hole, (no smoking), turn the key to on just before start and they should hear the fuel pump humming. if they dont then try to start. if it doesnt start turn key off and at that instant the pump should be heard again. What i think is happening is your pump is not energizing . Its supposed to energize when turning your key on and off. This can be caused by a bad fuel pump or pump relay switch. Hope this helps. please rate me

Posted on Jan 12, 2009

  • 5 Answers

SOURCE: will not start unless i pour gas into the carb

Adjust the valves .006 intake, .010 exhaust

Posted on Apr 18, 2009

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1998 1500 will not start unless I pour a little gas in the carb. When I stop the engine after running a while it will not start again unless I pour gas into carb again. Any ideas?


It is your fuel pump or fuel filter. When you turn your key on, you should hear a buzzing sound for a second or two. If you don't hear it, thats what it probably is. If you have a fuel pump relay or fuse, check that first. If the pump kicks on, check the filter. One of these is your solution my friend.

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My 1986 gmc turns over but wont start


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Dec 12, 2010 | 2003 GMC Sierra 1500

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I was driving down the road and the truck just quit. it cranks very well, but no intentions of turning over. i checked the spark,good but even when i puur gas in the carb. nothing happens


this sounds like a bad fuelpump, try spraying starting fluid in throtle instead of pouring gas, when you pour gas it may not enter all cylinders it may just sit in intake galley. try the starting fluid.also have someone crank the engine while you beat on bottom of gas tank with a rubber hammer, this sometimes shakes fuelpump and make a contact to get pump going again.

Jul 21, 2010 | 1997 GMC Sonoma

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Not getting fuel to carb.already changed fuel pump and fuel pump relay will start by pouring gas in carb


If the car starts when you pour gas into the carb. The fuel pump is defective. Or the fuel filter is stopped up.

Sep 08, 2009 | GMC Sierra 1500 Cars & Trucks

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2000 gmc sonoma starting problems


basic trouble shooting time... check that there is spark and move on to the fuel system if there is... possibly poured to much gas down and it's flooded.

P.S. if that is an old engine with lots of miles on it and you poured too much gas down the carb you may want to check your oil... raw gas may have leaked down into the oil pan as well

Robert

Sep 07, 2008 | 2000 GMC Sonoma Extended Cab

1 Answer

Will not start unless i pour gas into the carb


Adjust the valves .006 intake, .010 exhaust

Aug 19, 2008 | 1987 Isuzu Trooper

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