PCV gasket and poor MPG?
11-26-2007, 09:30 AM
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PCV gasket and poor MPG?
Replaced the o2 and PCV valve this weekend, but reused the PCV gasket. It tore around the 2 bolts, but didn't seem bad so I decided to reuse it. Could this cause poor MPG? The car feels like it regained power but the DIC says my Instant MPG is lower (when compared to the previous daily driving conditions).
The dealer is out of PCV gaskets for the time being so can I just use some GM Gasket Maker (the red stuff) as a replacement? Heck, can someone please tell me what purpose this particular gasket accomplishes? :?
The dealer is out of PCV gaskets for the time being so can I just use some GM Gasket Maker (the red stuff) as a replacement? Heck, can someone please tell me what purpose this particular gasket accomplishes? :?
11-27-2007, 06:02 PM
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Originally Posted by J Wikoff
The gasket prevents a vacuum leak. You can use the red stuff, you'll just have to scrape and reapply every time you change the valve.
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