1997 Mercedes E320 codes p0200,p0304,p0306

Question

What does these codes mean and do i repair them?

Answer 1

P0200 Fuel injector circuit malfunction

P0304 Misfire number 4 cylinder

P0306 Misfire number 6 cylinder

This type of engine has a fuel injector control module, You will need to verify that the misfire condition is from the fuel injector, this type of engine has a fuel injector control module. You can swap the cylinder 4 fuel injector and 6 fuel injector and retest. If the misfire moves replace the fuel injector, If P0200 returns replace the fuel injector module