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Yamaha Venture snowmobile 1991 fail to start and idle

Engine tries to start but seems like it is not getting enough fuel have pulled carbs and checked the fuel pump it is working ok.my next step will be to dismantle carbs and check jetting any advise on how to reinstall carbs, going to be nasty

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  • Cars & Trucks Master
  • 40,820 Answers

Before you start on the carbies . use a bottle of metholated spirits in the fuel tank. IT breaks down the surface tension of water and allows it to be drawn through the jets . IT is combustible the same as fuel and will not harm the engine . If you have a drain on the carby bowel then drain out ant water first.

Posted on Feb 16, 2014

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Posted on Jan 02, 2017

motor1258
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SOURCE: 1976 Gran Torino motorcraft 2150

Are you sure your idle ports ( size of pinhole) in carb aren't plugged with something? What happens if it starts to die, and you give it a quick squirt of WD-40 , down throat of carb?

Posted on Oct 18, 2008

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SOURCE: 2002 gmc yukon, rich fuel code, low fuel pressure @40

you may have two oxugen sensors on your yukon. if so the oxygen sensor that controls that bank may be bad. from what you mentioned in your complaint, it sounds like it is the oxygen sensor.

Posted on Dec 24, 2008

  • 36 Answers

SOURCE: HARD TO START WHEN COLD AND WHEN IT DOES IDLES BAD AND STALLS.

Try replacing the ignition control module it is located under the distributor cap Cost is around $30.

Posted on Jan 11, 2009

tse22
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SOURCE: I have a 1991 Firebird V8 305 with TBI. Car was

Check your fuel pump relay

Posted on May 12, 2009

csmock132
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SOURCE: 1992 Pace Arrow Motor Home 454 Chevy...not getting fuel to start

After you dump the fuel in the throttle body it will continue to run on its own or die as soon as it burns up all the fuel you dump in? Do you have access to (Noid lights)? Are both plugs attached to the distributor?

Posted on Jun 24, 2009

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I have a 2013 Yamaha venture re snowmobile is there a anti that device on this 2up


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My 1992 Subaru Brumby Ute stalls each time I pull up or stop.


expose the carburetor throat and start the engine keeping it running with your hand on the throttle. try and control the idle at its lowest possible rpm and look inside the throat. if it is showing ANY dripping fuel or even wet flaps then it is stalling because of too much fuel and the carb. will have to be cleaned or serviced.

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Will idle, but stalls out when going down road.? it seems to be sucking air or noy getting enough gas or vice versa



Both the Hi and Lo screws are simply needle valves. By turning them you allow more or less fuel to flow past the needle. When you adjust them you are directly controlling how much fuel flows through the idle jet and the main jet.

is your car have a choke plate lever ( for warming up ) (like old fashion ) ?

When the engine is cold and you try to start it with the pull cord, the engine is running at an extremely low RPM. It is also cold, so it needs a very rich mixture to start. This is where the choke plate comes in. When activated, the choke plate completely covers the venturi to see it in action). If the throttle is wide open and the venturi is covered, the engine's vacuum draws a lot of fuel through the main jet and the idle jet (since the end of the carb's tube is completely covered, all of the engine's vacuum goes into pulling fuel through the jets). Usually this very rich mixture will allow the engine to fire once or twice, or to run very slowly. If you then open the choke plate the engine will start running normally.

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I have a 1991 jetta - carb and it seems that when the car is hot it does not want to idle


between carb and inlet manifold there is a 1cm thick kind of gasket these are going to dry out and leak when the engine runs and you spay brakecleaner besides de carb on the gasket and you hear any difference in de rpms replace the gasket and it will be ok. you can also try to move the carb while running pull or push and detect this way if you have false airintake.

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My 1980 toyota p/u starts idles but on the freeway it starts to die if you give it more gas it sounds like not enough fuel is getting to the carb when i let of the gas it seems ok until you start ta go...


i guess it has carbs on that year, which means
1.your main jet is blocked or
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you simply have just enough gas to idle but when you demand more there just is not enough,

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1991 corvette boggs down when normal operating temp is reached.No codes and have replaced the computer


It sounds to me as though you have a clogged or malfunctioning fuel pump. Depending on the engine in your car, and whether or not the engine has a carb or fuel injection system.

In most of the early 90's corvette's, there should still be a fuel filter on the fuel injection throttle body (it looks like a carb), and a fuel filter under the car on the fuel lines. I believe you'll want to check the passenger side, but follow the fuel lines to find the filter. You might only have one under the car, so don't be alarmed if you don't find a small one on the throttle body.

Try changing your fuel filters first, as this is an inexpensive way to make sure your vette is in optimum condition before you do anything else.

If fuel filter replacement doesn't work, you will want to have your fuel pump tested. The only way to DIY, is to remove the fuel pump from the lower drivers side of the engine and to blow in the "in" side with a little water and see if it puts out the fluid. Even at that it could still be bad, so if you pull the pump, plan on replacing it.

The only other realistic option is that your fuel injectors are dirty or the gaskets are bad and it is time for an injector overhaul. This is not to hard to DIY, but does take patience and attention. You can also try running some fuel injection cleaner through your engine before trying anything else to see if it helps.

Some unlikely options are that your smog pump is clogged, your catalytic converter might be bad, you EGR valve or Purge Valve is clogged, your timing is off and you need to check the spark system, or that you could have low compression.

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Car idles rough, stalls - 1982 Oldsmobile Cutlass Supreme


Well, you are either not getting enough gas or air. First try taking off your air cleaner and then try to start your car. If that works than just buy a new air filter. If not, try repulsing your fuel filter. Should be under the car between the gas tank and engine. It is a cheap part but serves its purpose. Also you should replace your spark plugs and wires just for regular maintenance. If that doesnt work it could be either the fuel pump or carb. if you don't know that much about those, don't try to monkey around with it. Have a friend or a shop do it. But,,,, before you pay out your *** for unnecessary shop work check out prices for a new carb or fuel pump.

Your problem is could be one or more of those things. And for the very worst scenerio, could be a blown head gasket. Check out the easy stuff first and work your way to the others

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1 Answer

1991 Corsica dies after being put in gear.


Hi

You need to get two things checked. Ignition and Fuel.

Ignition: typically in this order ... Start off from sparking plugs ,,, move to leads (get them changed) and on to the ignition coil if there is no spark coming out of it. In case of fuel, the carb needs a clean and a good carb cleaner or fuel treatment (added to the fuel tank) wont do any harm. You should open up the carb filter. Remove it and change it if its dirty. Start the engine rev it up and while its revved up (throttle flap open) spray the carb cleaner or in this will clean the carb cleaner from inside. If the power gradually increases its a clear sign that you need to open up the carb and get the jets cleaned. properly.

Hope that this fixya will get you on the roads soon :)

Regards :)

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