Quote:
Originally Posted by nissandr1ft
I've been running the auto ECU for 2-3 years without problems, and it gets rid of the 115mph speed limiter. The car does tend to idle about 1100 or so for a sec, and then idles down. I've had the idle drop like that multiple times, on multiple motors, in multiple 240's. I've seafoamed, cleaned iacv valve, and about everything I could, and it still did it with the 5sp ECU.
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Sorry to bump this up, but I've been getting the same thing recently. Was this done on a s13 or s14? Or does it matter?
If this will solve my problem, I'll gladly do it. Isn't there a problem with cold starts after you do this? Seems like I remember reading a negative effect.