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26 votes
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Does a Car Keep Moving If Neither Accelerator, Nor Brake Is Pressed?

In short, find a better driving instructor and, if possible, learn to drive a car with manual transmission. The long (still simplified) answer: Does the accelerator control and ensure gas is flowing ...
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11 votes

Does a Car Keep Moving If Neither Accelerator, Nor Brake Is Pressed?

Note, most of these answers are very specific to an automatic transmission and also a gasoline (petrol) engine - The position of the throttle generally controls the volume of air allowed to enter the ...
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6 votes

Does a Car Keep Moving If Neither Accelerator, Nor Brake Is Pressed?

Does the accelerator control and ensure gas is flowing through the engine? The harder I press, the more gas flows in and the faster is the engine RPM. Is my mental model correct? Also, if this is the ...
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3 votes

Engine shakes, from bad oil change

If the oil looks like it could have come out of the open dipstick tube, which is entirely possible, then I would suggest that you get the engine thoroughly cleaned using a jet wash and engine de-...
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3 votes
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Antique Briggs & Stratton 23A-FB spark plug

It very well could be a Heli-Coil type thread repair insert for the spark plug hole. If the threads become damaged or stripped, you cut a new, larger thread of the same count, put the insert in, then ...
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3 votes

My car engine turns off while driving

I cannot find any information about your particular make and model of car, so this is going to be more general than I like. There is a ventilation valve in the fuel system to equalize air pressure in ...
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2 votes

Does a Car Keep Moving If Neither Accelerator, Nor Brake Is Pressed?

Excellent questions from a learner driver! To address them in turn, assuming a modern fuel-injected engine with an automatic drivetrain: Yes, the accelerator pedal does control the flow of air and ...
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1 vote

Does driving my diesel car engine with highest gear but lowest motor speed damage it?

What you are describing can cause some issues: Clutch wear: Getting a car moving from a standstill on too high a gear is hard on the clutch and will wear it out much faster due to slipping. You ...
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1 vote

Engine shakes, from bad oil change

Oil contamination can cause rough running, if you clean it off properly it should be fine. You don't need to replace your spark plugs, they won't be damaged by oil. The rough running is most likely ...
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