Hello all, well been awhile but think we have finally come up with solution to my monitor light and also my intermittent squeak/ squeal. The squeak /squeal witch also had a metallic sort of sound turned out to be serpentine alternator belt, (replaced and silent again. My engine monitor light which when faults were read gave out an error code lean mixture on both banks (3.7 V6)turned out to be the fuel pump. New fuel pump now installed. Was putting out 30psi when in fact should have been putting out 50psi. Now this still early but a very noticeable difference in power and starting. Hope this is of some use to others who may or might experience these problems. Cheers Randall