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- Thu Jan 04, 2007 11:11 am
- Forum: Bronco Tech
- Topic: Ignition troubles? Please help!
- Replies: 13
- Views: 5730
The problem could be a bad idle air control (IAC). It is a solenoid valve fastened by 2 bolts to the passenger side of the upper intake manifold (plenum). It could be defective and/or the passageways in the plenum could be dirty. DO NOT clean these passages with the plenum on the engine. Remove the ...