Just to clarify the thread for future searchers, the OP did/does not have a spark issue because the OVP has no influence on quality of spark.

His OVP has the older style and was most likely allowing the system to fluctuate from open to closed loop due to its failure. The OVP provides power to the ECU which controls mixture adaptation including the engine temperature sensor which has the most influence on cold start scenarios.

mlozzi, what do you mean by it won't move?

If you have to disconnect the EHA, you have some sort of pressure issue. Your mechanic should have tested fuel pressures by now instead of testing your big your wallet is. Instead of paying him another $100/hr, spend that $100 on a CIS pressure kit and do it yourself!

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