"Cheapsters", Here's the link to a Bosch $10 gas coupon rebate(four gallons?)IF you purchase platinum plugs AND an O2 sensor from them by December 31, 2004. http://www.boschusa.com/images/promotions/OBOS00057_FreeGasPromo.pdf Some thrifty shopping could get you new plugs and an O2 sensor for $80 net I think. Not much but sumthing. Cheer's Bill m