My c230 shakes sometimes

Asked by Aug 30, 2016 at 04:41 PM about the 2007 Mercedes-Benz C-Class C 230

Question type: Maintenance & Repair

Every since i replaced my air filters my car shakes
sometimes and loss of power when taking off. One
day it might run find then the next hour or so it
shakes chk engine is on and it read my coil pack
#3 missfired , my question why does it missfired
sometimes and not all the times or could it be
something else..like for example im driving and
everything is running find then maybe i stop at the
red light then its shakes then i get to my
destination an hour or so im driving again and it all
find then maybe the next day it skakes again or
sometimes it goes a day or two without shaking

2 Answers

18,570

Since it did not start missing until you replaced air filter recheck air filter making sure it is seated in properly and cover is secured.

238,065

You must have moved a wire or connection when replacing the filter. Check the coil and wiring for cylinder #3. If at or over 100K, t's time to replace the spark plugs anyway.

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