Quote:
Originally Posted by e39_touring
Check your ccv hoses, too, particularly the one that goes to the dipstick tube. Some are buried and hard to see, but they're also a source of vacuum leaks that don't pop the codes right away. Failing the visual check, get your hands on a smoke tester, which will out the source of the leak quickly.
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I resealed the intake boot along with a new DISA oring. I’m still getting the “Engine Service Soon” light about 45 min after a reset. I’ll take a better look at the CCV hoses and may even pull the intake manifold off. Could it be anything simple like the gas cap not sealing?