hmmmm .... this sounds like the same thing I'm experiencing. I have an '03 GT with 18K miles ... about 6K of which are with Stage 1 .... hence newer injectors. Since the weather has warmed, the first try on cold start it takes more cranking, or a second try to fire up. On the second try it always fires instantly. Warm starts are as before ... a very short crank and 'vrooom. No other symptoms at all. Funny that I have a '91 Corvette that does this same thing ... it fires instantly on the second crank, but it requires what I consider extra cranking to fire the first time. For both cars I let the fuel pump complete it's cycle to pressure up before I crank. I've thought that it might be an oil pressure switch on the Corvette as it's always seemed to be part of that car's characteristic.
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