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12-22-2010, 09:50 PM #1
- Join Date
- Dec 2010
pcv valve sounds like a bug zapper!
I just went out and checked my 1990 5.7L 350 for shorts in the wiring since a mechanic told me at night is the best time to do so. I noticed my pcv valve sounded like a bug zapper buzzing. I am pretty sure this is not normal but I just replaced my pcv valve back in October. I have been doing a lot of diagnostic work on my vacuum lines and egr. Does the buzzing mean it needs replacing already???
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