Question about ACDelco 3,500 Watt 6.5 HP OHV Portable Generator, CARB Approved #AC-G0002

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Generator 13 hp carb

Squirt fuel in carb it runs but then quits running

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Hello Parker, I think Steve is spot on. I am impressed by his detailed and accurate explanation .

Posted on Oct 12, 2015


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These are generic suggestions for small engines that will not start or run under the conditions you described in your question.

Engines that do not run often can often suffer from the use of stale fuel. Be sure the fuel is fresh. Drain old fuel and if not a very large quantity, you could mix with fuel in another tank (such as your automobile) that is used regularly and quickly or dispose of properly. Many fuel retailers have different formulas for fuels sold in different seasons of year that work best in the seasons in which they're sold. it's not to say a summer fule won't burn in the winter - but that a winter fuel will burn better in winter. Add fuel stabilizer to help keep gasoline in tanks of seldom used engines from growing stale.

Many gasoline powered small engines incorporate a "fuel shut off valve" either at the bottom of the tank (near the fuel hose connection) or an inline type valve on the fuel line itself. Make sure the valve is on - many times this means the handle is inline with the hose instead of perpendicular to it.

Have a look at the carb linkage. The linkage consists of the metal rods & springs that provides positioning of the carb components that increase and reduce the speed of the engine as the load changes to help maintain a steady output. The moving parts of the carb should not be gummed up or dirty and should move easily & freely. Use of carb cleaner products are ideal for cleaning these areas. Spraying cleaner into the throat of the carb will make starting difficult and as per instructions should be done in short bursts only while the engine is running. Do not attempt adjusting the screws on the carb as these are factory set and under most circumstances need no further adjustment.

The next thing to check is the fuel and air filters. If the fuel is old or has become clogged, it will be necessary to replace it. These filters are located between the fuel tank and carb. Many are located inline on the fuel hose. You should shut the fuel shut off valve if it is between the tank and the filter to prevent fuel from draining from the tank when the filter is removed (or have a container ready to capture the entire contents of the tank). The air filter usually becomes clogged before the fuel filter will - depending if it is operated in a dirty / dusty environment or not. You may be able to wash a sponge filter or use compressed air to clean a paper filter by directing air / water streams opposite of the normal airflow direction. Older foam filters will likely break apart and require replacement and paper filters contaminated with oil (unless designed to be in oil) may not clean up enough to allow enough air into the carb and require replacement.

Hopefully, one of these suggestions will work for you. Otherwise, it may be time for a professional small engine tune up. Good luck!

Posted on Oct 06, 2012


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