Question about 1987 Honda GL 1200 Aspencade Gold Wing

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Fuel leak creating hydrolock in one cylinder

My cycle shop reports the engine runs good, but when it is shut off fuel continues to flow into the right rear cylinder creating a hydro lock condition. They suggest I either shut off the petcock whenever I park the bike, or they will replace the fuel pump which they say will remedy the problem. Doesn't this sound like a carburetor problem? Ideas?

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There is a float inside the carburetor which functions to keep a level of fuel in reserve. When its full it shuts so that no more can get in. It can get stuck due to debris or corrosion. Repairing or replacing it may help you.

Posted on Jul 21, 2009

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I would question them closely on why they believe the fuel pump is the problem. A stuck float on a carburetor would allow some fuel to continue into the cylinder, but unless fuel was also coming from the tank it would not be enough to cause a hydro lock. Make sure they are confident that there is no carburetor problem.

Posted on Jul 21, 2009

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2 Answers

Have K341s engine on a welder and crank case flooded with fuel. what should I look for?


It is likely that this engine has a gravity feed fuel system such as the lawn tractor in the photo. The problem is if the needle valve sticks open, float fails to push the needle into the seat fuel will flow until the tank empties. The fuel floods the engine and leaks by the valve stem and cylinder rings filling the crank case with fuel.

What a mess and always a concern when fuel leaks. The preventative is to make sure the fuel shut off valve is closed when engine is not being used. Usually running the engine with the shut off valve will empty the carburetor of gas a good procedure to prevent the carburetor from fouling.

You must drain the oil completly and replace before running the machine.

Likely with the engine vibration the needle will operate normally. Removing the bowl and checking for contamination is recommended.

Adding a new filter and confirming the fuel shut off is working is also recommended.


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Jun 29, 2017 | Cars & Trucks

1 Answer

Have a 5.7 1997 chevy van how do you fix a stuck injector it is causing the engine to hydrolock cylinder is full of fuel?? Help me please


pull it and the rest and have a specialist diesel shop fit new tips and set the correct cracking pressure so that all cylinders get the same amount of fuel at the right pressure
it is not a job for a home workshop

Nov 16, 2015 | Cars & Trucks

2 Answers

Why is gas in the oil


When the cylinder intake valve opens on the downstroke a fuel and air mixture is pulled in. Then when the piston is about to go up the valve closes. As the piston continues its upward journey the fuel/air mixture is compressed until at the top the mixture is ignited pushing the piston down. Compression is achieved by keeping a good seating of the valve and the compression rings on the piston. These rings move along the cylinder walls and are lubricated with the engine oil. As these rings and/or valves wear then they "leak" or lose compression. It seems the rings have lost sufficient seating to allow some of the fuel/air mixture to bypass them.

Feb 20, 2015 | Cub Cadet SLT1054 54 in. 26 HP Kohler...

1 Answer

Why is my carburetor leaking fuel after I turn off my motor


It is most likely that your shut off valve is leaking (as fuel flow should be shut off with no vacuum applied to it). If the float level is okay, and it must be set very precisely at 0.413 - 0.453 inches with the carb tilted no more than 20 degrees and no less than 15 degrees, (if the float level is the problem such that the fuel supply would be too high in the float bowl and depending on how far out it is set ie how high the fuel is allowed to rise in the float bowl it would likely be leaking out the overflow and not the carburetor itself). As unlikely as it would be to have fuel flowing out the accelerator pump circuit and discharge port you would easily be able to identify such a leak by seeing it flow out of the accelerator pump discharge port in the front part of the carb throat. If the needle and seat are not sealing and fuel flow was available from the shut off valve as it should not be with no vacuum applied to it then it would not matter that the float level was set correctly because it would continue to flow past the needle ans seat when the float had risen to the proper shut off point. In this case it might leak out of the main discharge port before the level became high enough for it to leak out of the overflow or it might leak out both. It is doubtful that a defective enrichener would cause a leak because the fuel would have to rise to high to emerge from the enrichener discharge ports. It might leak out the off idle discharge ports but these are behind the venturi piston and the butterfly valve so you would have to raise the former and open the latter to see if fuel was emerging from these ports. I have not dealt much with H-D CV carbs but my understanding of them leads me to suggest the above. SO, a leaking carb with the engine shut off is most likely to be a result of a defective fuel tank valve so first remove the fuel hose from the shut off valve and see if there is fuel draining from the nipple at the valve or if you take it off at the carb if there is any fuel leaking out of the fuel line you removed from the carb.....There should be no fuel flow with the engine off and no vacuum. If there is no fuel flow here there should be no fuel flow from the carb unless the float level is out and the fuel level in the float bowl has risen too high before the fuel valve shut of fuel flow. Even so the fuel leak should not be continuous but only as much as there was fuel in the fuel line and carb downstream of the shut off valve. If the leak is continuous you know the valve is the first problem and then you also have a float level setting that is out allowing too much fuel into the float bowl and/or the needle and seat are not sealing and shutting off the flow when the float rises to the proper shut off height. Or, you could have a gasket leak at the float bowl. If there is no fuel flow from the fuel shut off valve and the float level is correct there likewise should be no flow from the accelerator pump (or any other circuit) because the fuel level would never be high enough to flow out the discharge the accelerator discharge or other ports. Remember that the accelerator pump check valve only operates when the fuel is being forced out of the accelerator pump circuit ie the valve does not stop or control fuel flow into the accelerator pump diaphragm area, it only stops flow back to the float bowl area when fuel is being pressurized to force fuel up and out the discharge port. I hope this helps somewhat in diagnosing your leak.

Nov 14, 2014 | 2003 Harley Davidson FXDWG Dyna Wide Glide

1 Answer

Carburetor leaks after engine is shut off


Your carbs bowl float is sticking allowing the gas to continue to flow when the engine is not running.And if you say it is ruining into the engine..check the oil for the presence of gas..if so change the oil,oil filter and remove the plugs and cover the tips to stop spark..turn the engine over to blow gas from the cylinders using a rag to catch the fluid...now to the fix..either take the carb apart and clean all the parts but there is no way to know if this will happen again..this has happened to my Husky. The best and easy fix is to install a inline fuel shutoff valve..where you can get at it easily...Just shut it off and let the engine use up the carb fuel..and when you start it again turn on the shut off valve let it set until the carb gets full about ten seconds..then start the engine...just got to rmember to do this every time you shut it down...works well for me...good luck.

Feb 06, 2014 | Briggs & Stratton Garden

2 Answers

1999 express 1500 4.3 motor has a lot of gas in the motor oil how does this happen


a leaking fuel injector will continue to flow fuel after the engine is shut off. This fuel flows down the cylinder wall, past the rings and into the oil pan. A leaking fuel pressure regulator will do the same.

http://realfixesrealfast.com/realfixesrealfast.com/Tricks_%26_shortcut_videos/Pages/Leaking_fuel_regulator.html

Jun 15, 2011 | 1999 Chevrolet K1500

1 Answer

Rough idle vibrates and po171 code service engine soon. jamesrowland9@aol.com


Hi, a Ford P0171 is a LEAN code for cylinder bank 1, and P0174 is a LEAN code for cylinder bank 2. These codes commonly occur on many Ford vehicles, and are set when the powertrain control module (PCM) sees the air/fuel mixture is running too lean (too much air, not enough fuel).
When the Check Engine Light comes on, either one of these codes, or both, may be found when a code reader or scan tool is plugged into the vehicle diagnostic connector. IF the vehicle is driven long enough, typically both codes will be set.
A P0171 lean code for bank 1 is the cylinder bank on the RIGHT (passenger) side of the engine on Ford vehicles with a V6 or V8 engine and rear-wheel drive.


A lean fuel condition may exist if the engine is sucking in too much air and/or the fuel system is not delivering enough fuel. If bad enough, a lean fuel condition may cause lean misfire, a rough idle, hesitation or stumble when accelerating, and/or poor engine performance.
Unmetered air can enter the engine through a vacuum leak, a dirty airflow sensor that is not reading airflow accurately, an EGR valve is not closing and is leaking exhaust into the intake manifold, an EGR valve that is allowing too much flow (because the EGR differential pressure sensor that monitors EGR flow is faulty and is under-reporting EGR flow).
If the problem is not enough fuel, the underling cause may be a weak fuel pump, restricted fuel filter, leaky fuel pressure regulator or dirty fuel injectors.

Mar 24, 2011 | Ford Escort Cars & Trucks

2 Answers

Po174


A P0174 lean code for bank 2 is the cylinder bank on the LEFT (driver) side of the engine on Ford vehicles with a transverse-mounted V6 engine and front-wheel drive. This code is not set on four cylinder engines (no bank 2).
WHAT A LEAN CODE MEANS
A lean fuel condition may exist if the engine is sucking in too much air and/or the fuel system is not delivering enough fuel. If bad enough, a lean fuel condition may cause lean misfire, a rough idle, hesitation or stumble when accelerating, and/or poor engine performance . Unmetered air can enter the engine through a vacuum leak, a dirty airflow sensor that is not reading airflow accurately, an EGR valve is not closing and is leaking exhaust into the intake manifold, an EGR valve that is allowing too much flow (because the EGR differential pressure sensor that monitors EGR flow is faulty and is under-reporting EGR flow).
If the problem is not enough fuel, the underling cause may be a weak fuel pump, restricted fuel filter, leaky fuel pressure regulator or dirty fuel injectors.

Dec 24, 2010 | Ford Explorer Cars & Trucks

3 Answers

Petrol in my engine oil chamber why


If you're getting fuel into your oil, your fuel delivery system is leaking. This problem is most common on carburated engines. The needle valve is not seating properly and when the engine is stopped, the carburator is flooding and the fuel is flowing into the engine. Once it gets into intake manifold, it seeps past the valves into the cylinder. Then it seeps past the rings into the crankcase contaminating the oil. If your bike is fuel injected, the same thing is happening because the fuel is pressurized by the fuel pump and your injector(s) are leaking fuel into the engine.

On a carb equipped machine there us usually a petcock to turn the fuel off with. You can either turn the petcock off each time you turn the bike off (a good practice) or you can have the carburator repaired. Some late model bikes have a vacuum operated petcock that automatically turns the fuel off when the engine is stopped. If your bike is equipped with this type of petcock, the petcock could be defective or is positioned in the "prime" position. If you go into the carbs (I think your bike has two carbs), replace the needle and check the float height setting according to the manual in both carbs.

If your bike is fuel injected, these devices are usually not easily servicable, simply replaced if they malfunction. You could try adding a bit of fuel injector cleaner designed for automotive use to your fuel. It may clean the injector (or needle in the case of carburators) and solve the problem. Otherwise, I'd probably take the bike to a repair shop.

Good Luck!

Oct 19, 2009 | Honda VTR 1000 F Firestorm Motorcycles

2 Answers

NOT GETTING GAS ON SEARS BLOWER


I have a craftsman 25cc blower. It is not getting fuel in the cylinder. I replaced gaskets and even the carb, no luck. When i took off the intake to replace the gasket, i pulled the start line and noticed the piston does not drop far enough to allow fuel in the cylinder.

May 07, 2009 | Craftsman 4 Cycle Blower/Vac

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