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Originally Posted by SLSduke82
Only when cold, i.e. cold ambient temp (less than 40 deg F) and engine has been sitting for over 8 hours.
I key it on. It settles at 1,100 RPM or so for a few seconds. RPMs then dip to 500 or so, threatening a stall. The ECU gives it gas. RPMs up to 2,000 for upwards of 20 to 30 seconds. Then it settles around 1,000 and I am good to go.
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Ok, if that's the only issue, I'm not sure what they're gonna do for people. Did you have the car this past winter? Or is this the first?
If everyone else here is having the identical issue. The car takes 8-10 seconds to get itself warmed up to a point where it idle's steady, I'm not sure what you're looking for exactly. Cars have to warm up, the metal has to warm to a point where fuel can remain atomized in the suspension. Until the car's cyls have reached normal temps, you're sucking several points of compression right out of the engine, along with a very rich running condition. To me, you're seeing the car go through that exact process in that 8-10 seconds...