You might check these three things to start with:
1. Idle Air Control - take it off and clean it. There are screensin it and it has coolant flowing through it as well as air.
2. PCV valve - should only let air flow one direction
3. EGR valve - take it off and clean. Check it for easy operation.
Let us know how you are doing.
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Monday, September 10th, 2007 AT 9:01 AM