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Old 10-30-2013, 01:20 AM  
amc49
Focus Fanatic
 
Join Date: Mar 2012
Fan#: 96610
Location: Fort Worth, TX
What I Drive: 00 wagon, 02 sedan both zetec atx

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These commonly crack at the PCV hose under intake to leak. If problem mainly at idle/off idle.

Cleaning MAF by spraying with some sort of solvent and then letting it completely dry before powering it up usually works. Carb cleaner or dedicated MAF cleaner. Either works.
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