Question about 1997 GMC Suburban

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Want start. put gas in carb. and truck run until gas is gone.

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Turn the ignition key to the on position to hear the fuel pump priming. If not heard running replace the engines oil sender switch

Posted on Aug 31, 2010

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1997 tahoe quit running pouring gas in carb truck runs until gas is gone then stalls changed fuel pump what else could it be?


Your truck is fuel injected, so no carburetor is used.
Have you checked base fuel pressure with a gauge, and do you know for sure that the injectors are opening ?

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JUST REPLACED CARB ON MY 1992 CHEVY SILVERADO WITH A 4.3 LITER. NOW IT STARTS AND RUNS FINE UNTIL IT WARMS UP THEN DIES AND WONT START FOR 30 MIN


How many rpm's is it running at when you first start it up and it is running on the choke? Does it gradually start to idle back and then start to die r does it do it all of a sudden and dies?

When running with the choke on, it is on the high idle circuit of the carb, as it warms up the idle should slow down and then idle in the 800 rpm range in Park, 650 in Drive. This will be the low idle circuit range. This transition inside the carb will cover an idle air bleed hole in the venturi of the carb and lean out the mixture. If you notice that the carb smells gassy and black rich unburnt gases are coming from the tailpipe, the problem is located within the carb and requires a carb tech to do a rebuild of the carb. You could try a good carb cleaner like Lucas by putting it into the gas tank, in case you just got a bad tank of gas, but that is just a bandaid for a more deeply rooted problem. Get the carb rebuilt?

Nov 27, 2013 | Cars & Trucks

1 Answer

Honda pilot out of gas put gas in and still won't start


false economy that.....
the pump is fuel cooled and Lubricated,
running it dry, wrecks the pump. (at the least lost the prime)

this car is no like an old carb car ,where this is ok.

if lucky key on and off 10 times, and hear the pump, it you hear it run.
it may prime. some cars 1/2 the pump is dead until cranked.
so easy to drain a battery priming the pump.

Nov 20, 2013 | 2005 Honda Civic

1 Answer

I put a brand new pump and filter on it and once my 87 dodge dakota warms up it starts spitting and sputtering once it dies there is no gas going to the carb until it cools down?? Why?


Interesting.
Its possible the vent for the gas tank is not working - - you might try running the truck with the gas cap loose to verify.
You have checked the carb and you know for a fact there is no fuel inside it when it dies ? And you know the pump is not pumping fuel when it dies ?

Oct 09, 2012 | Cars & Trucks

1 Answer

On my 97 balzer i cant get it running it will turn over and i do here the fulr pump but its not getting any gas in the motor. i have tryed pouring gas into the carb and it runs until the gas burns off i...


Check fuel pressure and volume. You may here the pump but it may be weak and not putting out enough volume to actually start the car. Putting gas down the throttle body could be dangerous and can actually start a fire.

Jun 17, 2012 | 1997 Chevrolet Blazer

1 Answer

1989 buick century 3.3 car starts idles but wont run when giving gas it acts like running out of fuel but fuel pump stay running and has pressure new fuel filter spray carb cleaner it will stay running...


have you put a fuel pressure gauge on it if so how many ponds of pressure does it have also if this is a distributerless car turn engine with a socket see if there is slack in rotation if you turn counter clockwise 1/4 turn stop and turn clockwise if so you more than likely have a stretched timing chain or jumped time

Apr 01, 2012 | 1989 Buick Century

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Engine stalled out,would not start, pour gas in carb,cranks,keeps running,until idle falls below 12to1500rpm,than stalls out again and will not crank,repeat gas or starting fluid in carb,cranks runs and...


This truck is fuel injected, the problem sounds like a weak fuelpump, it runs when you pour gas into it until that gas runs out, the first thing is to test the fuel preasure, if the pump is weak it may run with gas poured into it but wont idle, also a common problem is the coolant temp sensor and the ground wires to thermostat housing bolt but i wont bet its the pump inside the fuel tank, if you put a fuel gauge on it there should be at least 55-61 psi if its a few pounds lower it can cause problems, you have everything else and it runs with gas poured so its a fuel problem check the preasure, theres a valve up top on the fuel line to connect a fuel gauge to it, start there hope this is helpful.

Dec 27, 2010 | 1993 Chevrolet C1500

1 Answer

Engine will crank but will not turn over


Do this, take the top off the carb, being careful not to damage the gasket. Then take some carb cleaner and clean out the bowl and floats. Remove the needle valve and clean it out. Put it all back together and filling the bowl with carb cleaner. Start it with the starting fluid. Once you run the carb cleaner through it, it should start to run on it's own. Whatever you do don't shut it off for about 20-30 min unless you have to.

Apr 27, 2009 | 1989 Jeep Wrangler

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