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#1
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1997 C280 multiple cylinder misfire
I'm coming up with a code that is a multiple cylinder misfire.Cylinders 2,4 and 6.Sitting at idle in park everything is fine.When I bring the RPMs up to around 2000 the car starts spitting and sputtering. I changed 2 coil packs and spark plugs to no avail. I have a new fuel filter but have not replaced it yet.The car only has 50000 miles on it.Any help would be appreciated.
Thanks Mike Bittner |
#2
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Did you use Plats ??
Use these only http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=21H0MN3YU21T0H5B5L&year=1997&make=MB&model=C-280-001&category=F&part=Spark+Plug ..and change the coil to plug connectors [ the ones under the coils] |
#3
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No I did not.Could that be the problem?
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#4
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#5
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you will probably find that mass air flow meter needs replacing.if you have access to a scanner reading live data you can see what the reading for kg/hr are when the engine is revved.it should climb to about 350 but will probably stop at 120.
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David S Poole European Performance Dallas, TX 4696880422 "Fortune favors the prepared mind" 1987 Mercedes Benz 420SEL 1988 Mercedes Benz 300TE (With new evaporator) 2000 Mercedes Benz C280 http://www.w108.org/gallery/albums/A...1159.thumb.jpg |
#6
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I am not running platinums and I did not change the wires.
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#7
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Then change the plug connectors under each coil...common misfire fault.
..I would also make sure the correct plugs are in there while you are at it. 104's don't like many plugs b/c of the Waste Spark Ignition design, but we have found that they DO like F8DC4/Bosch. http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=21H0MN3YU21T0H5B5L&year=1997&make=MB&model=C-280-001&category=F&part=Spark+Plug Last edited by Arthur Dalton; 03-29-2007 at 12:41 PM. |
#8
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Thanks for the help.I will give all suggestions a try and let you'all know how it goes.I do have a scanner that reads real time ,so I will also check the Air flow meter
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#9
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What scanner do you have? Can it read adaptation values?
Thanks, Mike
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine) 1988 F150 144,000 miles (leaks all the colors of the rainbow) Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra |
#10
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I have a auto X ray. It does read values for airflow on my wifes 95 C 280,but not on the 97 C280.They must have changed the computer in theses.I'm going to try the plug swap today.I have not yet recieved the plug connectors.
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