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My 1994 960 wagon with 72500 mi has developed and engine shake condition. The shake is noticable while seated in the car. The engine shakes at idle but seems to run fine while underway. Opened the hood tonight and sure enough it was rocking away. The condition cropped up just in the past few weeks and prior to this I was amazed at how little the engine shook. I added a can of concentrated fuel injector cleaner last week but it has not burned that whole tank of gas yet.
The plugs were changed at 30 and 60K.
The O2 sensor has not been changed.
Without bringing this to my dealership (which I no longer trust) does anyone have any recommendations on how to diagnose the source of this problem?
Thank you in advance for any help. Is there a device available to consumers for retrieving engine codes? Sevice engine light has not come on.
Jim
jh2000@attbi.com
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