PCV valve rattles at idle
#1
PCV valve rattles at idle
About 2 years ago, I put a new fuel injector spider into my 1998 Blazer. Ever since then, the PCV valve will rattle at idle and at stop signs. The noise drives me crazy. I have tried to put a new PCV valve and it did no good. Other then the noise, the Blazer runs great and has not had a check engine light since. Any ideas on how to get rid of the noise? What could possibly cause this?
#3
Check the PCV hoses to see if there are any leaks or cracks. Look at the grommets, if any, and check for cracks. I would also invest in a AC Delco PCV valve if you used a store brand. The other brands of PCV valves often try to make one size fit too many models and they don't work quite right.
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89Recon
1st Generation S-series (1983-1994) Tech
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10-22-2011 05:50 PM