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Old 09-02-2015, 04:21 PM   #133
Ultramaroon
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Join Date: Sep 2014
Drives: a 13 e8h frs
Location: vantucky, wa
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Quote:
Originally Posted by Futaba View Post
Mine occasionally dips to around 400, car gets wobbly for a second until the ECU cottons on and boosts rpm to compensate, sometimes in time with the AC compressor, sometimes the radiator fans, sometimes for no real reason at all, I've learned not to panic about it, if it isn't stalling it isn't a big deal to me.

I find it happens less if I let off the clutch in neutral and haven't just come to a complete stop after gunning it, my guess would be the fluctuations are down to the heavy gas usage suddenly swapping to idle and the fuel miz being off a little.

Has anyone that has this issue WITHOUT CEL kicking in actually had the car stall on a 2014 or newer car? I doubt it.

Last but not least stick to the same fuel, don't be putting in regular then randomly premium because you're making it hard for the ECU to nail down a good setting!
Quote:
Originally Posted by Tcoat View Post
I am with you on this. I have had it happen twice. Both times after a long highway run and then into stop and go traffic. The ECU took a couple of minutes to figure things out. It went away and I never worried about it.
I'll pile on here. It dips for me occasionally but, meh. I do a ridiculous amount of stop-&-go. One day for some reason, it just started idling high at around 1K. I'd go for a couple hundred feet and stop. The RPM would drop to normal and then climb high again. As soon as I got onto some open road for a few miles it settled down.
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