Engine Temperment during ECU relearn - Pontiac Solstice Forum

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Old 04-26-2007, 10:02 PM   #1 (permalink)
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Join Date: Dec 2006
Location: MN
Engine Temperment during ECU relearn

For those of you out there that have had to clear your ECU of codes through battery disconnects.. How does your car behave during relearn?

After you reattach everything do you start it up right away, or wait for the ECU to cycle (when the flashing climate control lights are done)?
Does it run rough or smooth afterwards?
Do you start it and go, or shut it off... wait for the ECU to shut off, then start again before driving?
Is there a standard method?

After resetting my ECU over 15 times now, sometimes it runs smooth on initial startup, other times like it is going to come apart, I am still going into limp mode. Now it is consistantly within 10 miles of home, after about my 4th WOT pull to 60mph.
Tomorrow I am just going to reset the ECU and leave everything else to see if it stays in limp mode. The MAF has been cleaned 2 more times after installing the AEM dryflow filter (thank you Werks) and I am still "limping" so unless the MAF is dead, I do not think that is the problem anymore.

I am starting to feel like I am
MeanSol
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Old 04-26-2007, 10:25 PM   #2 (permalink)
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Join Date: May 2006
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Quote:
Originally Posted by MeanSol View Post
For those of you out there that have had to clear your ECU of codes through battery disconnects.. How does your car behave during relearn?

After you reattach everything do you start it up right away, or wait for the ECU to cycle (when the flashing climate control lights are done)?
Does it run rough or smooth afterwards?
Do you start it and go, or shut it off... wait for the ECU to shut off, then start again before driving?
Is there a standard method?

After resetting my ECU over 15 times now, sometimes it runs smooth on initial startup, other times like it is going to come apart, I am still going into limp mode. Now it is consistantly within 10 miles of home, after about my 4th WOT pull to 60mph.
Tomorrow I am just going to reset the ECU and leave everything else to see if it stays in limp mode. The MAF has been cleaned 2 more times after installing the AEM dryflow filter (thank you Werks) and I am still "limping" so unless the MAF is dead, I do not think that is the problem anymore.

I am starting to feel like I am
MeanSol
I've done it about 5 times, and when I start it, it's always fine. I never start it immediately afterwards though. It's usually about 15 mins of cleanup, then I start and go. It always runs smooth for me. It's not as responsive, but that's it. If the MAF were dead you'd get a code and a cel. Have you tried putting the old intake back on, to see if it changes anything? If it's still in limp mode after the stock one is back on, you might as well take it back to the dealer. When I took mine in, I just said that the check engine was on. I didn't feel the need to mention the CAI.
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