Alright, don't laugh at me about this. So Iv'e been driving my Challenger every chance I get before the snow flies. Everyone tells me I smell like exhaust when I am near them after I go for a drive. Guess I don't notice it. Anyway, I own a CO meter so I put it in the car and went for a ride tonight. The reading was fine at idle in my driveway reading maybe 4 or 5 ppm. I took off and after about 3/4 of a mile the PPM in the car went up to almost 200 on the driver seat with the windows up. Yikes!! I don't have a trunk gasket in the car yet. I'm guessing this may be my problem? Any thoughts? "Nighty night" everybody, I'm going to bed now. ZZzzzz....