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Finally my missfire is done and dusted

markmifsud

MB Enthusiast
SUPPORTER
Joined
Nov 17, 2008
Messages
2,383
Location
North Weald, Essex
Car
Insignia VXR 2.8t (2017) SuperSport, AWD, eLSD / Gone :( CLK320 CAB (A208) 02
Well, I had some fun and games :( car was reporting a missfire on Cyl 1, swapping coilpacks with number 4 moved the fault, so without checking any further I went down the road of getting a new coil, after all it cant be both HT leads can it?

MB wanted £140, rang around and got sent a part from Europarts, cost £65 and was delivered next day.

When I went to fit it, the LT plug wouldnt insert all the way, so I took the coil back off, and tried to remove the HT leads, guess what, they wouldnt come out, no amount of tugging moved them, I ended up pulling so hard that the copper ends snapped off and remained stuck inside. The coil has been returned for a refund.

Lynall kindly offered to give me two HT leads but as I was now desperate to get my ride on the road, I bought new leads from MB, @ £25 each.

And thats all it was all along, two broken HT leads that were most likely damaged when I had the plugs done in its last service (non MB)

well, thanks guys for the assistance, and thanks again Lynall
 

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