Help with a 1997 E 320 - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 04-16-2011, 10:48 PM Thread Starter
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Date registered: Mar 2011
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Help with a 1997 E 320

So I bought a 1997 E 320 from my father a month or so ago. To my knowledge it has been well kept from my father and runs well. So I start driving it and when I hit the gas hard at about 4 thousand rpm it hesitates hard and I have to let off the gas for t to change gears and keep rolling. Has anyone had this experience????? I added a K and N air filter and almost immediately receive a check engine code of p1070 and chalked it up to too much lube on the K and N filter causing the mass air flow filter to cause a check engine problem. I have cleaned the mass air flow filter and reset the code and am still having the problem at about 4000 rpm. I am thinking it may be a coil pack problem, but dont want to spend all the money unless I have to. I have a OBD compter (cause I'm too cheap to take it to a mochanic) but there are no codes coming up and it runs well until I hit it hard. I have recently changed the spark plugs and checked everything out and it overall runs well, but continues to have the lack of power about 4k rpm when you hit the gas hard. It currently has about 124k on the motor with no major work done on it. I do run 93 octane gas in it and have run some fuel cleaner over the past four fuel tanks. I ran it on a recent trip of 500 miles and got an average of 29 mpg and was happy, but before I let my wife drive it I want to make sure if she hits the gas hard it will perform as needed. Any help would be much appreciated! Thanks
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