Max,
Thanks for clearing that up. I've got the polly grip on it now. Sometimes two problems at once can really mess you up in the diagnoses dept, because the symptoms don't point in the direction of any one component.

The reason the OVP was causing poor cold performance is, because the computer was out of the loop and couldn't send a rich mixture to the engine during warm up mode. You were experiencing the same problems as a carburetor vehicle without a choke. Glad you got it figured out

Peter

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