Question about 1992 Nissan 240SX Fastback

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Injectors I've been thru the fuel system from front to back,soaked the injectors in cleaner and gas mix,when i prime the carb it runs untill fuel is gone but it wont stay running.Im running out of ideas

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  • VMRguitarguy
    VMRguitarguy Dec 22, 2008

    No dout I have to buy new injectors,There is gas in the rail all the way.Just does not stay running.Thanx PPL

  • Anonymous Mar 10, 2009

    car started fine then in 2nd gear at 4k rpms the car started to shake and bog. wouldn't run on it's own unless i kept pumping the gas. how do i check power to the fuel injectors?

  • Mike Butler
    Mike Butler May 11, 2010

    Fuel pressure at rail? Is there not a spot to disconnect after regulator, even partially to see if fuel getting to injectors?

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I had that problem before and it ended up being the fuel pump, the easiest way to check its disconnect the fuel filter line and let the pressure release till nothing comes out and then have someone else crank the car point the hose away from you, if it shoots out then the pump is good, if it does nothing, its not pumping fuel

Posted on Jul 31, 2009

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2 Answers

Why won't it start after running out of gas?


Hi Joe:
Don't know what "it" is, but the fuel pump needs to cycle enough to prime, the carb or injectors need to be filled with fuel.
If it is a carb, remove the air filter and look into the carb...... pump the throttle linkage...... the accelerator pump should squirt gas into the throat of the venturi. If there is no gas, a squirt of gas to prime won't hurt.

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1 Answer

2001 Hyundai accent wouldn't start this morning after sitting two days prime and no codes kept screwing with it I primed and runs then only primes sometimes but still runs great miss chug


Hi Miss Chug:
I'd start by using some carb/injector cleaner and make sure that the fuel delivery system is working properly.
If this is a carb type engine, make sure the automatic choke is not sticking.

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Cleaning injectors on 4.9 ford inline six


You can have them professionally cleaned, but I have made a wiring harness with an injector plug from old harness, sealed pushbutton switch, and battery clips. Remove injectors, one at a time hook up and breifly energise injector and use carb cleaner to back flush injector. This will clean the screen filter and usually restore normal operation. CAUTION carb cleaner spray is flammable so all wiring and switch must be no sparks.

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Is there something that could cause a Coil to keep going out on a 2002 Toyota Echo?


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1 Answer

Have a 90 f-250 5.8 gas burner. sat in a warehouse for 2 years. new battery and gas. starts and idles great. run up rpms for 2 minutes and it starts choking out. let off fuel and goes back to idling...


Carburetta is fouled. Run fine on choke - rich mixture. As it warms up and choke pulls off, its starving for gas.
First try adding fuel system cleaner to the gas tank. Do NOT go overboard. No more than double the recommended mix ratio.
The alternative is to remove the carb, open the bowl and spray out the jets and venturi with carb cleaner.

Its possible you may help it by removing the air filter and spraying every orifice you find on top of the carb. With carb cleaner. Be very carefull not to flood, pool carb cleaner in intake as this is not healthy for engine either. You can do this with engine running, so as not to pool, but slowly is best, both in engine speed and volume of carb cleaner.

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1 Answer

1991 Ford Econoline Is acting like its barely getting gas, it will start up and sputter a little and backfire a little what can be the issue its set for a long period of time like 4yrs then it has started...


if it sat that long it could be a lot of things, I would replace the fuel filter first of all, get a can of carb cleaner and as the motor runs at mid to high rpm's spray the cleaner right in the carb barrel, if you've ben driving it with that old gas in it,, either dump it out and clean it, or add a can of gas dry , not knowing which motor you have I don't know if its a carb or fuel injected if its the latter, add some fuel injector cleaner to the gas, you may have to clean the throttle body

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1 Answer

Engine Shaking or studdering at 73km/h


first try a gas system/fuel injector cleaner or carb cleaner .if its a carbarreted system its in your four barrel side, fuel/air mixture. if it fuel injection your fuel injectors maybe dirty, and possible the fuel filter. if not motor, then you may need a front end alignment.

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Depress shrader valve on fuel rail and see if pump primed,If primed take air snorkle from throttle body of and use carb cleaner to gett running,Some one can keep giming short burst or cleaner to thottle boby inlet till air gets out of system.Have seen this before.Air trapped in injectors.

Jun 20, 2009 | 2003 GMC Sierra 1500

1 Answer

Once car warms up it dies when you press on gas. Then it will not start at all.It turns over but will not start. I am getting fuel and spark.........?


On cars with a carb, you could point to lean fuel mixture. Runs rich enough when it's cold, because the choke makes the fuel mix richer. When it's warm. you no longer have that"rich" mix from the choke and then it's too lean to keep running. Could be a dirty jet, dirt in the carb, Dirt in the fuel. the list goes on. Needs rebuilt or blown out with carb cleaner spray works sometimes. Dissasemble and clean out with compressed air.
With fuel injection, Throttle bodies, it could be a dirty throttle body, injector,etc, Port injection, could be a sensor or some thing controling fuel, a bad couple of injectors, really not sure. Or a sensor of some sort. If you could get it to Auto zone they will scan it for free and tell you what it needs. Hard to put a finger on it with out seeing it. Have you tryed a good fuel cleaner like lucas? Do you run the tank below a quater tank? This will cause troubles. Best of luck, Those Quad four's are a great motor. lbreen

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1 Answer

Cannot get 1987 chevy van 20 to keep running... stalls out


Best do a fuel pressure test. Should have chg. fuel filter from the get go. The only other filter is on the end of the fuel pump in tank. Bad gas and dirty gas will plug up fuel filter, hense burn pump up.

Apr 11, 2009 | 1987 Chevrolet G20

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