Thanks for the reply. The O2 sensor checked out OK - roughly .55V when warm, changing slighly.
I got a hold of a duty cycle meter, and rechecked the mixture. I adjusted the screw until it averaged 50%, and verified that it remained there for about 1/2 hour. The value did bounce around a bit, occasionally climing up to 65%.
I also noticed that the idle would occasionally rise up to about 1500 RPM.
Any more thoughts?
Mika
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Originally Posted by Chamorro
Sorry about that.....yes, you do need to wait until it gets warm. Basically the engine needs to be @ normal operating temp, and you want to have it there for several minutes before testing the signal.
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