Question about Mercedes-Benz C230

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06 c230 sports mercedes code p0300, p0301, p0304

I was driving mi car on the high way and then nitice that i lost speed the check engine light was flashing then went solid and till i got home. turn the car back on and the check engine light was off and still hasn't came back. But i did get the codes P0300, P0301, and P0304 for Random/ Multiple cylinder misfire detected in cylinder 1 and 4. Does this means that the sparks plugs are bad since its giving me the code for those?? Plaese Help and Thanks!

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  • Edward Jun 14, 2013

    have you fixed it? was it the coil? or MAF? or wire set?

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I think this is a Coil problem. try replacing coil. If not, it is a MAF problem. 06 wire should still be fine now.

Posted on Jun 14, 2013

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SOURCE: My C230 Mercedes has check engine light on. Car

P0171 indicates a lean condition. The most common cause of this is a defective mass air flow sensor. Also check if any vacuum leaks.Replace MAf sensor,if cleaning the MAF does not help.
Thanks.

Posted on Oct 01, 2010

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Thanks.

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