Can a vacuum leak cause a rough idle 2024?
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A rough idle or stalling. A performance cam with lots of valve overlap can give an engine a lopping idle, but so can a vacuum leak. A really serious leak can lean the air/fuel mixture out to such an extent that an engine won't idle at all. ... The rough idle in these cases is caused by "lean misfire."
2023-06-12 03:10:16
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Amelia Kim
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A rough idle or stalling. A performance cam with lots of valve overlap can give an engine a lopping idle, but so can a vacuum leak. A really serious leak can lean the air/fuel mixture out to such an extent that an engine won't idle at all. ... The rough idle in these cases is caused by "lean misfire."