thanks for helping. got get front 02 sensor for 2006 caravan 3,8. lazy sensor, 102,000 miles, in town gas mileage dropped to 17..6 no a/c not heavy foot.

has anyone bought denso o2 sensor. i look at the pic of it and it doesn't have the one hole on top of the other at the bottom half. the holes look like their at the tip. but others have said they work, their about 45 bucks cheaper then mopar and ntk
and that helps because i'm replacing the cat, egr/0404 code (pinging on acceleration probably as confirmed sign) probably back 02

so has anyone used denso with success?? even thought the design from pics looks a bit different then the mopar and ntk as referenced to the hole locations at bottom.

also have you used dorman? good price at advance, also lifetime warranty?

ps so difficult to get front 02 sensor out. still haven't got it out yet.