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I looked over your FF numbers (at the other place) -- 95 def F is too cold to be taking readings -- need to have the engine come up to normal operating temperature and try taking readings again. When the engine is warming up, the fuel trims are going to be crazy as the DME is purposely adding more fuel (rich).
Also, there could be a mechanical issue that only appears when the engine is "relatively" cold. As member matt demaria pointed out, you may want to do a leakdown test.
Regards,
paul...
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07 Boxster S, 03 MB E320 (wife's car), 10 Subie Forester X
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