2006 Lincoln Navigator Q&A
2006 Lincoln Navigator Question: check engine light
To accurately check the O2 sensors will requires a 2 channel lab scope and you need to know the correct / incorrect wave forms of the good/bad sensors under different conditions. I'd leave this to a professional - otherwise you might spend $$$ for unnecessary parts. Zee - ZeeTech
A vacuum leak from the PCV grommet vacuum leak can cause the Check Engine Light to illuminate. The molded rubber hose connections may crack and collapse, causing the vehicle...
The check engine light came on . it has 108,000 miles.
my suv was parked for 3 months and i told my son to pick it up he drove it for a mile or so got it up to highway speed and it started knocking he pulled over it died and now will not turn over i ha...
The light just came on last night.......not the check engine light