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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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Engine shakes, from bad oil change

You don't mention what kind of car this is, but the crankcase ventilation/recirculation system on many modern vehicles is such that the fuel/air mixture will be a little bit off if the crankcase is ...
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-1 votes

Engine shakes, from bad oil change

I got an oil change awhile back How far back? How much driving have you done since then? I notice my car idling a little more. Hmm, a simple oil change shouldn't cause this. Where I park for work ...
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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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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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-2 votes

Engine shakes, from bad oil change

The oil in the spark plug wells is due to the seals failing and needing to be replaced. This is not that unusual. It is unlikely you have done any harm to your engine. If it were to get bad enough you ...
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