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Why would the engine idle unevenly?

Updated: 10/24/2022
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18y ago

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timming is off bad plugs & wires bad injectors

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Q: Why would the engine idle unevenly?
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Your 96 infinity i30 idle is not at 0 zero is that a problem?

No, an engine idle RPM being not zero is not a problem. If the idle were zero, the engine would not be running!


Has anyone got a picture of an engine idle?

A picture of an idle??? Idle is a state of operation not an actual part. As in, the engine is idling at 750 rpms. A picture of an engine at idle would look almost exactly like a picture of an engine that is running at 3000 RPM or shut off.


What does the idle air valve control would it stop your truck from running at high idle?

No it will not. It only controlls the idle of the engine.


How do abs affect engine iddle?

ABS brakes should have no effect on engine idle, but a bad power brake vacuum booster would have an effect on engine idle.


What would make an engine idle high when clutch is depressed?

Engine vacuum leak.


Engine knocking when idle?

There are a number of reasons why an engine would knock when you idle the vehicle. It could be your motor mounts. You may also need oil.


How does an idle control valve work?

The idle control valve works by regulating the idle speed of the engine. The idle speed of the engine is usually controlled by the engine of the computer.


Why does your Buick century's engine surge fast and slow when the heater is turned on in idle?

Depending on the year of the Buick Century it may have vacuum controlled heater blend doors. These use engine vacuum to move the doors that control where the heat is directed. If one of the vacuum lines has a hole in it, it would cause the engine to run unevenly due to the vacuum leak. Check the vacuum lines and listen for air leaks. You can also try spraying the vacuum lines with *small amounts* of carb cleaner, if the engine idle goes up when you spray a particular spot there is a vacuum leak there.


Could Catalytic converters clogged on 1991 GM Sonoma truck cause it not to stay idled?

Probably not. They would have to be clogged solid not to let engine idle in which case the engine would not run at any speed. If they were semi-clogged the engine would idle but hold engine back from revving up.


What would cause a 1996 Chevy Corsica to idle high then idle fine after turning the engine off and on again?

check the soleinoid


Why does 440ci stroker engine have rough idle and engine shake at idle?

because that's kind of a big engine


What is Idle RPM?

When an engine is in "idle" it is taking over by itself without any acceleration (or load) being applied. This the "idle RPM" would be the number of revolutions it makes per minute while running at "idle".