Clever way to check for vacuum leaks?
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12-04-2012, 10:21 AM
Seek to understand,^Value
Location: San Jose, California
Join Date: Mar 2008
Mein Auto: 02 BMW 525i M54 automatic
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Originally Posted by
any thoughts about how else to pinpoint a possible leak?.
I've tried the brake cleaner - but - for a pinhole leak, intermittent leak, or for buried leaks (such as the lower CCV vent hose), it just didn't work for me.
- Does the order of the misfire OBDII DTCs diagnostic trouble codes actually matter (
What worked for me to find the cause of my plethora of non-specific lean-misfire codes was a $30 smoke test!
- How to make your own smoke machine (
The result was this underside leak, which the brake cleaner didn't get to:
And, this huge leak, which also the brake cleaner (and presumably propane) can't get to:
Moral of the story:
Based on my one experience tracking down lean misfire codes, I recommend a smoke test or simply replacing all the hoses.
- How to diagnose a BMW M54 engine misfire (
) & a cold-engine intermittent misfire (
should you decide to accept it
, is to add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
How to easily find what you need, in seconds!
Last edited by bluebee; 12-04-2012 at
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