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So I did everything you said and the code is gone. The SCT allowed me to return to stock tune, however, I still have the surge which started this post. I've driven it a couple of times just to see if it would clear up but surge is still there regardless if it's in park, neutral, or drive. The...

I did...just not getting much love yet.

You're the man...appreciate you walking me thru this. I'll check as soon as I get home today and report back. Thanks!

That's actually what I was doing but the SCT kept saying the upload failed then I got the P0601.

Hooked up battery and still getting the code when cycling the key but SCT tuner not picking it up.

you think it will fix the original problem with surging? Well I hope you're right!

I sure hope file is just corrupted. Contacted Torrie and he referred me back to SCT so I'll just wait to see what they say. I've disconnected both battery posts, touched them together and will reconnect tomorrow to see if that resets anything. Thanks for all the help. I'm already looking for a...

PCM Internal Controller Failure is what I came up with...

So first attempt at pulling the codes by cycling the key and got nothing. Then tried to pull codes with SCT and nothing again. Ok tried to return PCM to stock and SCT said it failed. Tried again and it failed again. Then I checked codes and now I'm getting a P0601...yes I know this is terrible

Thanks I'll check those out...actually died on me once I got home so maybe there will be a code.

Rears are gone...I did change over to the Rotella T6 a while ago. I wonder if this is causing the problems? Maybe I should just remove the mid cats too???

Ok after driving for a little longer it seems the surge has stopped once I put it in neutral, however, as long as it's in drive and I'm stopped it's bad to the point of stalling. Also I now can smell rotten eggs (And no it's not my A$$). Could these be related?

I got it from Torrie if that's what you're asking.

Do you think having the 93 tune programmed on it could cause the problem? I didn't notice this last year on the stock tune.

I guess I didn't do enough homework...just read a post that a hose to the throttle body could be cracked causing a vacuum leak. I'll check that too.

Yea Tony told me to do a flip kit initially and of course I didn't listen...lol I guess I was just expecting more than a 1/4 drop from removing the over load spring and new shackles.

It's been a few weeks already...I think I need to measure again.

Yea many men in my family served during that time and I've heard the same horror stories.

Wow now I'm pissed...I just removed the overload spring and put new shackles on and I'm still over 5 inch. Hmmm, somethings not right with that!!!!