Q: 2003 Mercedes c240 4matic - 51K miles P300,P304,P305,P306 when runs over 4000 rpm

asked by on January 31, 2017

2003 Mercedes c240 4matic - 51K miles Idle is normal and drives norma at 40 miles speed but when go over 40 mile speed,I get engine check light with error code P300,P304,P305,P306

My car has 51000 miles.
My car has an automatic transmission.

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