Question about 1996 Chevrolet Blazer

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Fuel pump won't start, engine starts when i put a little amount of gas in the carb but only runs for a second or two

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The fuel pump needs a replacement.

Posted on Sep 26, 2009

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Posted on Jan 02, 2017

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2 Answers

1984 S10 wont run fuel coming out at pump but doesnt seem to supply carb. has new filer. when primed it runs for a few seconds.


Is this a carbed engine, that usually means mechanical fuel pump? Take fuel line loose from carb, aim into container, crank engine, does gas flow? If so, have to check float bowl in carb to see if any gas, if no gas, need a carb kit in my opinion.
I don't know liter size of engine? If fuel injected, let us know.

Mar 20, 2017 | Cars & Trucks

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My gmc sierra SLT 350 isnt getting fuel to the engine.


if your carb is a tbi (throttle body injector) then the carb is clogged

Feb 25, 2014 | Cars & Trucks

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Fuel pump relay


While you could have a fuel pressure (pump/pump relay) problem. I would suggest that you have a fuel flow problem. Check your accelerator pump, float and float needle (think: carb kit), and fuel filter. If an insufficient amount of fuel is reaching the float chamber just before you shut off the engine, that small amount could evaporate out from engine heat, leaving nothing in the float chamber for the next engine start.

Oct 04, 2013 | 1996 GMC Sonoma

1 Answer

New filter new fuel pump won't stay running


Well your engine has a carb, so it could be dirt in the carb, or a vac leak, or several other possible causes.
Does the choke close when the engine is first started ? Have you checked the fuel line to see if the pump is providing gas ?

Apr 25, 2013 | 1987 Dodge Raider

1 Answer

97 mercury mountaineer. won't start


hi,

watch your oil pressure when cranking, you have to have some oil pressure to get the fuel system to start. you may have to find the hot wire at the relay and energize it to see if it is indeed the fuel pump going out. if its been sitting and its a 97 the fuel pump just might have went, you can also try hitting the gas tank from the outside in the middle to see if that works too. have a water hose or fire extinguisher around when your working on fuel system and leave one of your battery cable a little loose..

jm

Jul 04, 2017 | 1997 Mercury Mountaineer

1 Answer

1987 mercrusier 180hp wont stay running unless i pump the gas


Could be a small amount of rust got into fuel filter from sitting empty, try changing fuel filter before worrying about the fuel pump.Filters could be partly plugged and its always smart to start with the cheaper fixes first.

Apr 14, 2012 | Cars & Trucks

1 Answer

My 96 yukon wil not start. Sounds like it will crank over but won't. It is not the fuel. I changed the ignition coil still won't start.


try spraying some carb cleaner into a vaccum hose and see if it will run. If so then you have ignition but no fuel delivery. If not then you have an ignition problem. make sure you hear the fuel pump hum when you turn the key to the run position. It should run for +/- 5 seconds then shut off. remove gas cap and listen for fuel pump operation through the fill hole. If you can hear the pump then you have a fuel injection issue. If the engine starts and runs for a few seconds then shuts off then you can suspect the crank or cam position sensor. The fuel pump runs through the oil pressure switch which could also be an issue.

Are you able to start the truck with application of the gas pedal?

Sep 22, 2011 | 1996 GMC Yukon

1 Answer

I put in another engine on my Toyota Tercel but it wouldn't started if I put gas in the carb it turn and run for a little while then turn of help I believe it the fuel pump.


Your right, it's the fuel pump. It's not pumping gas into your carb. Hope this helps, James Booth. Also, check the fuel pump fuse before you go into all that work and money to see if its no good. PLEASE RATE THIS!! :))

May 18, 2011 | 1990 Toyota Tercel

1 Answer

I AM RESTORING A T020 MF. I REPLACED ALL WIRING AND IGNITION SYSTEM AND REBUILT THE CARBURATOR, AND ADJUSTED IT TO SPECS. I GOT IT TO START RIGHT AWAY AND IT SOUNDS GREAT. HOWEVER, IT WILL ONLY RUN FOR...


Ok a quick check. When the engine cuts out and you go for restart it dies within 5 seconds. Next time put the ignition at position 2 (on but not starting) and wait one minute, then start the car. If the engine again runs for 30 seconds before cutting off this tells you its is a fuel problem. If the fuel is supplied slowly it fills the carburettor fuel bowls and when the car starts it quickly uses up these local reservoirs of fuel faster than they can be replenished. When you try to restart immediately there is only a tiny amount of fuel and so it used up almost immediately. By leaving the ignition on 2 for while it gives the pump time to fill the carburettor bowls and this takes a while longer to run down when the engine starts. Just before moving on does the car have a choke OK remove the low tension connection to the coil, basically remove any chance of a spark. Put a big old towel around the carb. Now remove the fuel line at the carburettor and put ignition on 2 to engage the starter pump. Listen to pump operation and look at the rate of fuel being pushed from the disconnected fuel pipe. If the flow is slow check on pump and filters.

Sep 13, 2010 | Ford F-100 Cars & Trucks

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