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What Did You Do To Your HHR Today?

Old Apr 23, 2011 | 10:07 PM
  #3031  
urbexHHR's Avatar
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Joined: 02-16-2009
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From: Frankenmuth/Flint, MI
Originally Posted by Greybeard999
@wouldy..... make sure you clear the ECM's "learn feature".... I think it's fuse #41 (check, it's on the label in the fuse box) Pull that for about 15 minutes and then put it back, made a world of difference when I put my GMPP CAI on. Also I did note a couple MPG improvement, as long as I kept my foot out of it, which is hard to do now.
You know, I've heard of that before, where people suggest doing it after buying used car...so it learns your driving habits, not the previous owners. Although I'm sure sure I'm all set since I've had the car over 2 years now...I doubt it even remembers the guy before me!

My one question though is this...if you unplug the ECM, wouldn't that also erase any updates and reflashes that have been done at the dealership? I know occasionally there will be updates that the dealer will reflash the PCM for, and I just wondered if unplugging it to reset the adaptive learning would also clear those flashes? Anyone know?
Old Apr 23, 2011 | 10:11 PM
  #3032  
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Joined: 10-02-2010
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From: Port Huron, MI
I drove back from MI on 75 and time just flew by. No speeding this time, but it still went quick. Cruise control is an amazing thing.
Old Apr 23, 2011 | 10:12 PM
  #3033  
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Joined: 03-06-2010
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From: Ohio
@ Kid.............. No.... a "flash" is more permanent than the "learn feature". Short of some catastrophic failure the only way to alter the flash memory is with a "re-flash".
Old Apr 23, 2011 | 10:17 PM
  #3034  
urbexHHR's Avatar
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Joined: 02-16-2009
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From: Frankenmuth/Flint, MI
Ok, thanks. Like I said, it was one of those things that just got me thinking... I'm sure I've had my car long enough that it knows my driving by now..
Old Apr 24, 2011 | 07:57 PM
  #3035  
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Joined: 02-12-2009
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From: Boutte, Louisiana
i removed my old air ride compressors and tanks, and installed a new Air Zenith compressor and a 4 gallon tank. one step closer to finishing the interior
Old Apr 24, 2011 | 08:05 PM
  #3036  
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From: Ohio
Drove it in the rain.......
Old Apr 24, 2011 | 08:06 PM
  #3037  
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Joined: 08-20-2006
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From: Hillsdale, Michigan
Originally Posted by Greybeard999
Drove it in the rain.......
Do I see a pattern here
Old Apr 24, 2011 | 08:07 PM
  #3038  
Greybeard999's Avatar
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From: Ohio
Yup.
Old Apr 24, 2011 | 08:08 PM
  #3039  
HillsdaleHHR's Avatar
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Joined: 08-20-2006
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From: Hillsdale, Michigan
Originally Posted by Greybeard999
Yup.
Let me look in my crystal ball. I foresee you driving your HHR in the rain the next couple of days
Old Apr 24, 2011 | 08:33 PM
  #3040  
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From: Ohio
More than likely...... If I go anywhere. Otherwise I watch it get rained on in the driveway.

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