tbss714

I purchase this car with 82k mls then check engine light came on i took to autozone they told me it was the maf then i desided to take it to the mbz dealer they fixed a vacuum leak maf and and a spark plug wire the car was fine and now its got 88k mls and 1 week ago check engine came on again i took to autozone again and pulled out the codes p0300.p0305.p0306.p0150 they told me its random missfires and a 02 sensor after a while check engine light when off but yesterday came up again but it dosent missfire that much you can bearly feel it some people told me it could be spark plugs and wires so if you know some think please advive thank's

rediahad

maybe you should do a regular maintenance on it so that you know its not the simple stuff like spark plugs, just my opinion when i bought mine it had 60k and i still changed all the stuff so i could start with a fresh slate