
Re: 04 F150 5.4 runs lean at idle
Ruptured PCV hose at the valve or at the intake nipple in
the back. Ruptured or disconnected breather or IAC inlet
hose to intake duct. And it's always worthwhile to check and
clean the MAF. ![]()
iATN Members:
Login to read this message and participate Auto Repair Pros: Join iATN to read this message and others Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)1 Replies Received(Hide Replies)1 Replies Received |