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Chuck.H Chuck.H is offline
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Join Date: Apr 2003
Location: Gainesville FL
Posts: 1,190
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If you see it related to the tach bounce, then I'd suspect the speed and reference sensors. If the tach holds steady during this, I'd suspect air flow meter worn tracks or cracked solder joints on the DME. All the above can be searched here for a lot of results.

Chuck.H
'89 TurboLookTarga, 374k miles
Old 04-08-2014, 05:57 PM
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