Quote:
Originally Posted by Silver Ignition
I'll usually have pops and weird idle for the first few minutes under 40*F even with the cold-start IPW changes. Lowest I dropped down to using e85 this winter was about 25*F and started on the first try, albeit with the aforementioned pops and weird idle...
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I have had the same issue and I'd also done the IPW changes.
Don't know what the popping is, but it doesn't sound very good. Found out that if I revved it to 2500-3000 rpm just once immediately after the engine had turned on, then the popping would not happen. Have you tried that?