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engine shudder after cold start S90-V90

uid 19's pic
posted by  jbowers on  Fri Nov 4 02:32 CST 2005
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last visit: Sun Jan 22 13:49 CST 2012
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I agree that it sounds like ignition. Maybe something is breaking down as the acceleration raises the plug firing voltage. Maybe even a cracked spark plug insulator? After the heat gets everything dry it reverts to normal. I would get the codes checked as there may be some set even if the CEL hasn't been turned on. I'm hoping that the code will tell you which cylinder has the misfire so you can concentrate your inspections.

You might consider getting a spare coil to keep in the car if the misfire becomes permanent. I picked up a full set on e-bay last year for a good price and I'll sell you one cheap if you are interested.
--
'96 965, 16' wheels, Michelin Pilot Sports, rear 18mm bar + Koni, 201 HP cams, 130K. Put 200K on '85 745 TD.






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New engine shudder after cold start [S90-V90]
posted by  hans747  on Thu Nov 3 06:21 CST 2005 >


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