jbenz99

hi this mourning i started my car and check engine light came on and now engine is shacking a little more noticeable before it used too shake slightly.(i replace all rubber mounts).the codes are p0300 and p0307 it mean cyl. 7 misfire and p0300 random /multi/cyl/misfire dectected.what you guys think i should check first or replace mass sensor,or check wires ,or coil.and by the way which is cyl 7 located on engine?thank you all in advance
p.s i already replace all spark plugs a month ago!
my 2000 clk 430 has 120,000 miles!

jbenz99

I already found the problem to my car ! the same day I posted this new thread it was the spark plugs wires!
by the way I am surprise no one here help me out with a reply! it is shocking but anyway i still loved ya!!