Thread: Vacuum oddities
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Old 09-09-2015, 08:06 AM   #6
epapp
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Join Date: Aug 2013
Location: Bay Area
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Garage
Now only pending codes P1126 and P1124 remain.

Another odd thing: the vacuum reading via OBD2 does not drop when removing the oil fill cap??? I would have expected it to.

Also, is something supposed to happen when I remove the gas cap with engine running? Doesn't seem to be any pressure or vacuum at the cap with engine idling.
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