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A governor causes an engine to surge by regulating the engine's speed through a feedback loop that adjusts fuel supply or throttle position. When the engine speed exceeds a preset limit, the governor restricts the fuel or air intake, causing a temporary drop in power. If the engine speed falls below the desired level, the governor allows more fuel or air, leading to a surge in power. This oscillation can result in a rhythmic increase and decrease in engine speed, known as surging.
What else can I help you with?
What would cause a diesel engine to surge at idle?
The first things to check are the air intake, the fuel pump/filter and the governor.
What is the less likely cause of an engine to hunt and surge at top no load speeds?
The price of pineapples in Hawaii is less likely to cause an engine to hunt or surge.
Can spark plugs cause a little surge in the engine?
my sparkplugs are gaped to wide can that cause my car to surge and poor starting
What does a bad IAC cause?
the engine to stall and surge at idle
Can the linkage on a Briggs and stratton motor cause it to surge?
Yes, the linkage on a Briggs and Stratton motor can cause it to surge if it is misadjusted or damaged. This linkage controls the throttle and governor, which regulate the engine's speed and performance. If the linkage is sticking or not functioning properly, it can lead to inconsistent engine speeds, resulting in a surging effect. Regular maintenance and inspection of the linkage can help prevent this issue.
Will a bad fuel pump cause engine surge on a lawn mower?
You probably have a dirty carburetor causing that surge.
How do you fix the engine surge in your v6 1984 Ford Ranger 4x4?
Check your vacuum lines this usually the cause for a surge in engine speed when idling or running.
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 the problem with my john deere 318 onan engine that causes it to surge when idling?
probably the governor going bad
Why does antifreeze surge in the overflow tank of a 99 Chevy Suburban?
Engine overheating will cause the anti-freeze to surge into the overflow tank. A blown head gasket will also cause the anti-freeze to surge into the overflow tank.
What would cause an engine surge and check engine light on a 1985 Pontiac Grand Am and how do you repair it?
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Why would a 1990 Blazer's engine surge up and down?
Any number of things could cause your vehicle to surge. You need to take your vehicle to a tune-up shop and have it diagnosed.
