frankster Posted October 12, 2012 Share Posted October 12, 2012 Does anyone know the "correct" rpms for a cold and warm engine? My cold idle is 12.5-1300 and seems a little fast. My warm idle is 500. Thanks, Frankster Quote Link to comment Share on other sites More sharing options...
nc211 Posted October 14, 2012 Share Posted October 14, 2012 That's actually right about spot-on. The idle is higher when cold per an EPA request to reduce pollution. A warmed up engine pollutes less. All cars have been doing this since the early 90's. My old 95' LS400 did it too, same idle points. No worries. Quote Link to comment Share on other sites More sharing options...
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