08-10 SS Turbocharged General Discussion Discuss the 2008 - 2009 Chevy Cobalt SS Turbocharged. On sale since the second quarter of 2008.

Advanced spark question

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Old Jan 27, 2021 | 03:34 PM
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From: Morrisville
Advanced spark question

My car is set to E 85 fuel my RPD says my advanced spark bounces back-and-forth between 20 and 40 in the car sounds like it’s idling up and down like it’s constantly trying not to die.

what’s the normal advanced spark range?
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Old Mar 19, 2021 | 11:27 AM
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Demonic13's Avatar
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So I showed Matt from ZZP a video of the advance spark on my RPD my my thermostat was also affecting the idol of the vehicle he made some adjustments to my tune and now it idols like normal with the thermostat on or off in my advanced Park is now between 5 and 10
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