Question about 2000 GMC Sonoma Extended Cab

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2000 gmc sonoma starting problems

We have to pour gas down the carb to start it.now that does not work .the fuel pump comes on so what do i do.

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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

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On my 2001 gmc sonoma truck it will not start with pouring a little gas in the carb . And then runs good .it has a new fuel pump .


Ford had this issue with their aluminium jets in the carburettor. I had to replace the carb on mine as it is part of the moulding. What happens is the vapour ices up as it atomises due to the wear in the jet.

Jun 16, 2014 | Cars & Trucks

1 Answer

Will not start but if i poor gas in the carburator it will then when i shut it off and then try to start it it will not start back up unless i poor gas in the carb what could it possibly be thank you....


Its faulty fuel pump.When you pour gas in carb, it gets fuel directly, but when you start without pouring gas, then fuel is not reaching there.Low fuel pressure.Replace fuel pump and fuel filter.----- Thank you.

May 19, 2011 | 2000 Chevrolet Blazer

1 Answer

Engine turns over but does not start. I poured


Either a bad fuel pump or fuel pump relay. Take off the gass cap, have someone listen where the gas cap goes. When you turn the key to the on position you should hear the fuel pump run. If not, find the relay under the hood. Swap the relay with the one next to it (temporarily) Turn the key off then back on. If you hear the fuel pump running then replace the relay. If not the fuel pump is bad. Which is usually the problem.

Please Vote! Thanks!

Aug 31, 2010 | 1995 GMC Sonoma

1 Answer

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

1 Answer

Doesn't want to start, acts like it isn't getting


Fuel pump, fuel relay, fuel regualator, fuel injectors, camshaft positioning sensor, fuel filter, etc. Need special tools to diagnose properly, do you have them? Doubtfull, I don't have all of them and I've spent thousands on my tools. I can do a guessing game with you but I prefeer not to lead you astray.

Jun 12, 2010 | 2000 GMC Jimmy

1 Answer

2000 GMC Sonoma will not start after standing serveral hours


Check the fuel pressure at the shredder valve, you should have 62 to 65 PSI when the fuel system is primed. (engine not running) With the engine started and running the pressure should drop by 5 PSI, anything less then 62 PSI in your fuel system when trying to start the engine will cause a no start. Note; that try to start a the engine by pouring gas through the throttle body may cause an internal fire in the intake ports and will cause the fuel injectors to melt creating a more expensive problem. As for the fuel pump in the gas tank, it''s held on by and snap ring which you can remove with a simple screw driver. Good luck and keep me posted, and don't for get to replace the wire harness from the frame to the gas tank. It's a $12.00 investment that's worth more then it's cost.

Nov 15, 2009 | 2000 GMC Sonoma Extended Cab

1 Answer

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

1 Answer

97 GMC Sonoma


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

Jun 21, 2008 | 1997 GMC Sonoma

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