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I put a 2004 Chevy RamJet 350 FI crate motor in my '69 Nova. My idle always was a steady 610 RPM and 690 with the Vintage Air on. Suddenly my idle changed to 500 / 510 rpm and she began stalling when started cold. In other words, no fast idle upon startup.
I'm thinking idle control valve or maybe a O2 sensor failure?
Any thoughts / input would be greatly appreciated.
I'm thinking idle control valve or maybe a O2 sensor failure?
Any thoughts / input would be greatly appreciated.