AE urgent help
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Laughing Gas
Joined: Apr 2004
Posts: 776
Likes: 42
From: STL MO
AE urgent help
I was playing with AE trying to make sense of my pressure readings. Everything is fine and fun until I happened to perform a koeo test. The AE said the there is an unknown failure and all or some of the relays keeps clicking and all dash lights keep flashing like a Christmas tree. The tach goes up and down. What did I just do?! Unplugged the AE, still doing the same thing. Truck won't start. What's wrong ? Erwin
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Laughing Gas
Joined: Apr 2004
Posts: 776
Likes: 42
From: STL MO
Unhooked the negative terminals for a few minutes, hooked back up, still doing the same thing. Could it be that the koeo operation happened to screw up the ECM program? It was running a tow-safe tune from Superchips
Hotshot
Joined: Jul 2008
Posts: 12,782
Likes: 2,142
From: N.GA Mountains
Weird. Try unhooking the batts, then turn the key on for a few minutes before hooking them up again. This often 'resets' the PCM.
Hopefully someone who knows what they are talking about will chime in if that doesn't work.
Hopefully someone who knows what they are talking about will chime in if that doesn't work.
Senior User
Joined: May 2011
Posts: 454
Likes: 0
From: Portland, OR
Subscribing, because man that is scary. I want to see how this ends up before I fire up my AE nonchalantly.
Before I got "enlightened" by my brothers here, my regular code/live data reader would shut down my 7.3 if it was running. That was the end of that.
Before I got "enlightened" by my brothers here, my regular code/live data reader would shut down my 7.3 if it was running. That was the end of that.
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Hotshot
Joined: Jul 2008
Posts: 12,782
Likes: 2,142
From: N.GA Mountains
That said, I was fooling around with my Scangauge II last week in a friends '98 & '99 Mercedes 300TD's and got a surprise. No probs with the '99, but the in the '98 the GP relay was cycling on/off after the key was removed from ignition!! Since I had just done a ton of stuff to the car (veggie conversion), I was sure I messed something up. After deciding the only thing I changed right before this happened was plugging in the SG II - I unplugged it and everything returned to normal. In the meantime, its just a few more gray hairs - they add character right???
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Laughing Gas
Joined: Apr 2004
Posts: 776
Likes: 42
From: STL MO
Just confirmed that the cause is indeed the weak batts. I stopped driving the truck as soon as there is salt on the road, only fire it up once a while. I guess it just happened that at the time I wast doing the koeo test, there is not enough juice in there. Well, what a scare! Should have more faith in AE. Thx all. Erwin
Elder User
Joined: Jun 2007
Posts: 705
Likes: 1
From: Sandia Park, NM
Just confirmed that the cause is indeed the weak batts. I stopped driving the truck as soon as there is salt on the road, only fire it up once a while. I guess it just happened that at the time I wast doing the koeo test, there is not enough juice in there. Well, what a scare! Should have more faith in AE. Thx all. Erwin
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