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Message: <blockquote data-quote="duh09" data-source="post: 1540424" data-attributes="member: 10558">Base timing for these cars is 10*, if you're experiencing pinging at 8*, you've got some other issues you need to look into as well that I think are going to be the source of the issue more so than the ECU needing to relearn anything. First things first, double and triple check that your balancer is in good shape. The rubber inner that connects the two halves together will fail over time and allow the outer ring to slip, making getting timing correct difficult as you're looking at the wrong number. If you see rubber squeezing out anywhere, or any pieces missing, it's likely due for a replacement. The IAC valves can get sticky and gummed up. Try pulling it off and giving it a good spray-down with some brake clean before looking at replacements. IAC restrictors are an option, but they always seem to be a temporary one - the computer eventually seems to be able to compensate around it. If the car is bone stock, the car should have 0 issue running like it always has with a battery pull unless something else is wrong. Just thinking out loud more than anything at this point, but your PIP may be on it's way out. Ignition stuff can get a little wonky when they're dying, may be worth doing a little searching on the topic to see if the symptoms line up with what you're dealing with.</blockquote>