Cold Engine Throttle Response
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When my '06 Z's engine is cold or cool, it seems very responsive and fast compared to when the engine is fully warmed up then the engine feels a bit sluggish. Anybody else notice this too? Is this situation caused by the engine going from open loop (if this is still the correct term?) to closed loop operation? Thanks.
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Originally Posted by VJD
When my '06 Z's engine is cold or cool, it seems very responsive and fast compared to when the engine is fully warmed up then the engine feels a bit sluggish. Anybody else notice this too? Is this situation caused by the engine going from open loop (if this is still the correct term?) to closed loop operation? Thanks.
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Originally Posted by Armitage
Uhhh, yeah. You really shouldn't bag on the engine until its at nominal operating temperature...
Never do. I short shift it and wait for all the juices to be fully up to temp. Even after its warmed up, I don't like to excessively rev it.
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I would guess it's mostly due to cooler intake temps. Do you notice that when the temp drops to like 40 or 50 degrees the car has much more power as well? Same principal...
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I haven't gone through a winter yet with my Z, but I'm amazed that the temp gauge gets up to normal in about 2 miles at 30 mph. This is in the mornings after sitting all night with the outside temperature is high 40's or 50's when I leave. I have never had a car that warmed up so quick. Then the temp needle just hangs out at about the same place. Is this the norm for the rest of you?
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