2006 SONATA V6 3.3L - P2273 Engine light issue
I have check engine light comes on first and after driving a few hundred miles later,
light goes off. I drive the car for awhile about a few hundred miles and light comes on
again. Basically on an off. AutoZone looked at it and got an error P2273 - it means
oxygen sensor stuck rich. They told me to keep fuel tank cap tight. or something else
may be defective. I have been driving last two years like this having engine light on
and off. I do not see any engine performance difference. Any ideas?