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Can over lean fuel mixture can cause hunting and surging?
yes
What will least likely to cause an engine to hunt and surge at top no load speeds?
The least likely cause of an engine hunting and surging at top no-load speeds is a malfunctioning fuel injector. Other factors such as an incorrect fuel-air mixture, vacuum leaks, or issues with the ignition system are more commonly associated with such symptoms. Fuel injectors typically affect engine performance under load, rather than at no-load conditions. Therefore, while they can influence overall engine behavior, they are less likely to be the primary cause of hunting and surging when the engine is not under load.
Which is the least likely cause of an engine to hunt and surge at top no-load speeds?
The least likely cause of an engine hunting and surging at top no-load speeds is a fuel starvation issue. Typically, fuel starvation leads to a lean mixture, which would cause the engine to struggle or stall rather than hunt and surge. More common causes include issues with the governor system, air-fuel mixture adjustments, or ignition timing problems, which can directly affect engine performance at high speeds.
What could be causing small engine surging and how can it be resolved?
Small engine surging could be caused by issues such as a dirty carburetor, clogged fuel filter, or improper air/fuel mixture. To resolve this, you can try cleaning the carburetor, replacing the fuel filter, and adjusting the air/fuel mixture. If the problem persists, it may be best to consult a professional mechanic for further diagnosis and repair.
What may be the cause of surging or hesitation in a 1.8 Mitsubishi carisma gdi 'x' reg when it reaches opperating temperature?
The cause for this can be one of several things. You may have an issue with the fuel pump. You may also have a clogged fuel line, or filter, or the oxygen/fuel mixture is off. A tune up will pinpoint the issue.
What can cause a surging idle on a 1999 Ford Explorer 4L V6?
It is important to know the causes of problems in a vehicle. A surging idle can be cause by a bad o2 sensor, bad fuel pump, or a computer starting to go bad.
What causes surging in a snowblower?
Surging in a snowblower is often caused by inconsistent fuel delivery, which can result from a clogged fuel filter, a dirty carburetor, or improper fuel mixture. Additionally, air leaks in the intake system or a malfunctioning governor can lead to fluctuating engine speed. Maintaining the fuel system and ensuring proper tuning can help prevent surging. Regular maintenance, including cleaning or replacing filters and inspecting the carburetor, is essential for optimal performance.
Why does my 2000 petrol rodeo surging under load and intermittently other times?
Your 2000 petrol Rodeo may be surging under load due to several potential issues, such as a clogged fuel filter, a failing fuel pump, or dirty fuel injectors, which can restrict fuel flow and affect engine performance. Additionally, problems with the ignition system, like worn spark plugs or ignition coils, could cause misfires that lead to surging. Intermittent surging can also be triggered by an air intake issue, such as a dirty mass airflow sensor. It's best to conduct a thorough diagnostic to pinpoint the exact cause.
What are the causes of surging?
Engine surging is usually due to insufficient fuel supply. Probable causes could be an air leak in the fuel system, or possibly a dirty fuel filter, causing fuel restriction.
1988 Chevy 350 tbi idle adjustment?
simply put you can't if it is idleing not normal their is a problem surging/hunting idle=fuel pump/filter high idle =vacuum leak or sometimes fuel pump
What will cause a surging at wot in a 1985 Chevy silverado 305 4bbl but quits if you back off of wot?
You need to check the fuel pressure and the fuel FILTER.Most common cause of that is the float level in the carburetor is not adjusted right. / not getting enough fuel.
What can cause lean fuel mixture and?
A vacuum leak can cause a lean burn.
