
Re: P0170 diagnosis
Lean code p0171 was the bolts that attach the intake manifold to the head were loose. The long term fuel trim is much better now and the fluttering noise is gone. Why the engine idled fine and had 20 -21 inches of vacuum at idle is a mystery to me. Also what c... Login to read more. ![]()
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 |