Author: Mopar_Mikey

Hey all,
I’m getting a p0303 and car idles rough. This car is a 2001 Chrysler 300m with 185000 miles on it. It’s a 3.5l like every other 300m.
Spark is good so I did a compression test and it’s giving me good on all but the #3 as listed below:
Cyl 6000′ Sea Level
1 135 161
2 130 155
3 60 71 Wet…