STUPID QUESTION: what exactly is a breather and whats it for
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Certified GM nut
Joined: Feb 2003
Posts: 2,095
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From: Georgia
Originally Posted by willwren
Don't get me wrong, I'm not saying there'* really any benefit to it. If I put my cap back on, it takes about 5 minutes for the PCM to re-adapt for idle. And the other way around, too.
SOMETHING is different.
SOMETHING is different.
Hook up the scantool and put it under the hood with you
Start car
Remove breather/cap
Note fuel trims and o2mv
Place your hand over oil cap hole, forming a seal
Note fuel trims and o2mv
$0.13 says you're lean with the breather. That'* all I'll bet, not a penny more
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