#3 misfire confusion

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#3 misfire confusion

05-01-2009, 08:00 PM

dubadaddy

Registered User

Join Date: Dec 2007

Location: Fallbrook, CA

Posts: 393

#3 misfire confusion

I have a W210 '97 E420 that codes up a #3 cylinder misfire. My indie tells me after diagnosing that I should be replacing all of the coils and plugs and connectors. Car has 146K and just had a major tune-up at 117K.

Shouldn't this have been done at that time? Should I be replacing all of the coils along with supposed new plugs that have already been replaced?

Any words of wisdom??

__________________
Norm K.
'97 E420 Sport
'06 E350 Sedan
'67 Mustang Coupe
'70 F-250
'15 VW Jetta

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