siuchung chan

MY C63 HAVE CHEAK ENGINE LIGHT, CHECK CODE P0155 WAS CHANGE 02SENSOR AND RETUNE THE ECU A WEEK. TODAY THE LIGHT ON AGAIN CHECK CEL: P0155 P0023 P2A03. SOMEBODY KNOW WHAT PROBLEMS ON MY CAR TUNE? OR SENSOR? OR CAMSHAFT?

siuchung chan

NEED HELP

skratch77

I would try changing camshaft sensor like the code says

siuchung chan

i dont know is sensor or camshaft adjustment problem

skratch77

Swap sensors and see if code comes back

siuchung chan

ok thx man. i will try it.

siuchung chan

And is control valve solenoid or sensor ring. im checking the parts. thx