Hvymetlclo
New Member
- Joined
- Nov 22, 2007
- Messages
- 34
- Reaction score
- 0
- Points
- 0
- Location
- Sanford, FL
- Vehicle Year
- 2002
- Make / Model
- Ford
- Engine Size
- 4.0
- Transmission
- Automatic
I have this problem that i can't figure out. I have replaced the IAC valve twice within a one yr. period and my truck has about 105k on it. My problem happens when i put my tranny into park and the rpms drop down to 450-500. My TB is pretty clean, the MAF has not dust or oil build up. what could b causing this?