Question about Chevrolet Silverado 1500

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1989 Chevy Silverado pickup starts when you put gas in carb but the fuel enjector will not spray fuel into carb

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The first test would be the fuelpump, this sounds like the pump is not pump the fuel to injectors, as you said that if you give it fuel into throtlebody it will start. this tells me its not getting fuel and the most common reason is the fuelpump, a quick test that sometimes works is to have someone trying to start it while you beat the bottom of the tank with a rubber hammer, this sometimes shakes the pump and it makes contact and starts truck, if this happens then the pump is bad for sure, if it doesnt start then you will need to test for power and ground at the connector going to pump, this connector is locted neat the tank, you will see wires coming from the top of the tank going to frame, theres the connector to test. good day.

Posted on Apr 10, 2011

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Changed fuel filter in 2001 Chevy SIlverado 4.3L v6, pump is working but no fuel to throttle body. Will start and run if sprayed with Carb cleaner, but stop after spray stops.


It is possible for pump to run but not put out pressure. Sounds like you need a pump. There is a valve on the fuel rail where you can test fuel pressure. Its just like a tire valve. Just push in on the center pin to see if you get a spray of fuel. It requires around 55 pounds to run. You will need to connect a gauge to the valve to check for proper pressure.

Apr 09, 2013 | 2001 Chevrolet Silverado 1500

1 Answer

I just put a fuel pump in my 2000 chevy silverado 2 weeks ago and now it wont run and all the fuel pump will do is click when you turn the key on but it only clicks once?


spray gasoline or carb cleaner into intake. If engine starts, it's a fuel problem. You have a bad (new) fuel pump or relay. Either no power to pump or pump is bad (unlikely but possible).

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4 Answers

I ran outta gas on my 1998 chevy silverado v.6 vortec. i put more gas in it and pumped the accelerator a few times and it still wont start. how can i fix it is it simple


Best way to fix it when you run out of gas is this. Because you ran out of gas, means your fuel filter is out. When you run out of gas, you end of getting like a air blockage in the line. Now, professional way is to take fuel filter off and fill with gas and put back on, BUT i will tell you a back yard mechanic secret way. Is get a can of starting fluid ( you can get at any auto parts store) and while someone is in side the Pickup, have them ready to turn the key. You are outside with the hood up, and you will be spraying a little bit of the starting fluid in the air intake of directly in carb area ( if carborated) but just spray into air intake. Have them crank the engine, at same time you will spray starter fluid in air intake, just a couple of quick sprays. You will notice it will start and maybe die again. That is normal, you might have to do this a couple times to get things flowing. HOWEVER, what normally happens when you run out of gas, the fuel filter picks up all that junk that has been gathered in the bottom of fuel tank and it has clogged your filter. FOR SURE, if you replace your fuel filter, it will solve this problem. Thank You, and I hoped this helped you.
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Jul 30, 2011 | 1998 Chevrolet C1500

2 Answers

I have a 1989 RAM w100 with a stock 318. I'm


If you can spray carb cleaner in the carb then you have either a fuel supply problem or fuel delivery problem. Check your fuel pressure and make sure it is in spec. Then check the spray in the carb spray.

May 27, 2011 | 1989 Dodge W150

1 Answer

1999 Chevy 3500 p.u. cranks, no-start 50 p.s.i. fuel pressure, runs on carb cleaner, intermittently starts and runs on its own. Changed crank sensor still won't run.


Sounds like a fuel problem. If it runs when you spray carb cleaner your "fuel" may not have enough octane. I suspect you could have 50psi with a high water content (or the wrong fuel i.e. gas vs diesel?)...Drain the fuel and replace with fresh fuel (gasoline or diesel depending which engine you have), along with a bottle of fuel conditioner.

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2 Answers

1993 chevrolet silverado 1500 will not start has new filter and pump can spray fuel in to it will start then dies when it runs out of the fuel sprayed it it


It sounds like your injectors are not firing which could be a crank signal problem or wiring,distributor pickup coil problem or a computer problem.One wire to your injector should be pink this is the power wire it should have around 11.5-12 volts with the key on. The other wire is ground that the computer uses to fire the injector which you can check with a good test light hooked to voltage. and work back from that point if you have neither at the injector.

May 31, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

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Go ahead and put a fuel pump on it. If you remove the right front wheel you will be able to get to it. Since it is under the manifold. Be sure it has fuel in the tank and not a faulty gage.

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1 Answer

Car will not start or stay running


Put a fuel pump in. Remove right front tire to get to it. Be sure it has fuel in the tank and not a faulty gage .

May 12, 2009 | 1989 Isuzu Pickup 2WD

2 Answers

2001 chevy silverado won't start when warm


Possible weak spark from ignition coil or low fuel pressure due to weak pump. Try spraying carb clean into intake throttle body when problem is present. If vehicle will start and run with a little spray then fuel pump is failing.

Mar 29, 2009 | 2001 Chevrolet Silverado 1500

1 Answer

Chevy s-10 pickup truck water in gas 6 cyclinder


check basics ...air /fuel /spark...try spraying carb cleaner into throat of throttle body to see if it starts and runs on that ...advise us/me

Nov 10, 2008 | 1997 Chevrolet S-10 Pickup

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