Question about 1997 Mercedes-Benz E-Class

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Benz e420 multiple cyl missfire

I replaced cyl 8 coil pack tells me cyls 2 7 8 missfiring ONLY WHEN THE ENGINE GETS HOT

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Also check and see if the updated Mass Air Flow sensor has been installed, these go bad all the time causing all kinds of weird misfires and other problems.

Posted on Jul 12, 2009

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Hello,good day,hoping your car is already scan with hht or star,then engine missfiring very general,you have to check fuel injection and ignition system,hoping your fuel system is clean,if your tester appear your cly.8 coil is defect,try to put cly.8 coil in other cly.for testing purpose,hoping your engine is v-8,119,or 113,or try to check the pressure diapram in fuel rail,ty

Posted on Jun 28, 2009

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