Quote:
Originally Posted by tomtom72
I'm just a hack but I think if you can drive the car with a scanner plugged into the data port....what's the difference if just the pins are jumped?...I would think to the EEC system there is no difference. How would the system know if a scanner was attached or if the pins were just jumped?
JMHO
Tom 
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I have to agree you need to hook it up to a scan tool at this point...Not sure where you are in GA but a buddy of mine in Fayetteville has a shop and does have a Snap-on scan tool..You may want to give him a call and see what he would charge to run a few tests.. he does know ZR-1s and has done a lot of work on them..
John @ Corvette Country 770-461-5211
Steve