My car is making a loud whistle sound with a little
howling when I push down to go faster the noise
stop but soon I take my foot off noise starts back
started making noise day after oil change... 2006
volkswagen jetta 2.5 when my car is in park my
tachometer goes in between 10 and 20
See if you have any vacuum leaks, May be hard to locate, unless a smoke test is used.
They said the valve cap broke
Vacuum leaks often is accompanied with a raise in RPM's.
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