Mechanics

P0304, P0305 & P0306 BANK 2 - M

1999 Mercedes Benz 320e

Engine Performance problem
1999 Mercedes Benz 320e 6 cyl All Wheel Drive Automatic 60000 miles

I have an 1999 MB E320 4-matic, which has the Check engine light on! I have read the diagnostic with OBD 2 reader and it it showing P0304 thru 6 error codes. Which I'm sure you're aware is all of Bank 2. My intuition would lead me to believe it is something in common with all 3 cylinders. The Bank 2 Sensor 1 was reading 0 mV and has been replaced but has not changed the misfire condition. Plugs and wires were replace 9 months ago with also the crank location sensor. What else could cause an entire bank to misfire. Or am I barking up the wrong tree? Thanks
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RLCofMN
August 26, 2010.



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