Hi Paul,

Knowing Volvos, I would take a good look at the fuel pressure / regulator. All it has to be is a little off, and the fuel trim will have to be compensated just enough to put it out of the realm of "normal" (if there is such a thing).

The L... 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