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A8 / S8 (D3 Platform) Discussion Discussion forum for the D3 Audi A8 produced from 2003-2010 and Audi S8 produced from 2006-2010

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Old 04-20-2014, 04:24 PM   #1
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Default OK what just happened?.......

My A8l has had a lot of weird electical issues. Initially trouble cranking every couple of days or so, then MMI starts going in and out every day or so. Next satelite radio no longer recognized then its fine for next few days, now car just shuts down while driving down the road and no longer will start even though its cranks fine with new battery.


Any ideas?
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Old 04-20-2014, 05:57 PM   #2
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Can you post a scan? Without it, hard to help.
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Current #1: '06 D3 A8L W12 brilliant black w/ amaretto; 4 seat setup, CPO; modestly lowered, H&R 20mm rear and 12mm front DRs with 275/35 on OEM polished + forged 20's; S8 sway bars (see: rear bar and gen'l D3 bar info and front bar); tweaked 385mm front factory brake mod and matching rear brake mod; matching C6 A6 back headrests (better rear view: headrest tweak); owner installed AMI retrofit with part number details here.
Current #2: 2013 Q5 2.0T hybrid; Scuba blue w/ chestnut sport interior; Euro delivery 7/2013 (pictured at Ingolstadt)
Prior (each modded): 2000 C5 A6 4.2 & '96 C4 A6 2.8Q, both still w/ family; '85 C3 5000S 5 sp FWD; '73 C1 100LS

helpful cross reference to a C6 post with MMI and other TSB's that also cover D3 A8's.

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Old 04-20-2014, 06:16 PM   #3
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Dude! Lol
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Old 04-20-2014, 07:26 PM   #4
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+1
+1
+1
+1
+1


Sorry MP. I know that your reply was not working. It looks like it works overtime now.
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Old 04-20-2014, 08:51 PM   #5
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Guess they unplugged "clogged drain" & released my reply testing guinea pigs!!
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Current #1: '06 D3 A8L W12 brilliant black w/ amaretto; 4 seat setup, CPO; modestly lowered, H&R 20mm rear and 12mm front DRs with 275/35 on OEM polished + forged 20's; S8 sway bars (see: rear bar and gen'l D3 bar info and front bar); tweaked 385mm front factory brake mod and matching rear brake mod; matching C6 A6 back headrests (better rear view: headrest tweak); owner installed AMI retrofit with part number details here.
Current #2: 2013 Q5 2.0T hybrid; Scuba blue w/ chestnut sport interior; Euro delivery 7/2013 (pictured at Ingolstadt)
Prior (each modded): 2000 C5 A6 4.2 & '96 C4 A6 2.8Q, both still w/ family; '85 C3 5000S 5 sp FWD; '73 C1 100LS

helpful cross reference to a C6 post with MMI and other TSB's that also cover D3 A8's.


Last edited by MP4.2+6.0; 04-20-2014 at 08:55 PM.
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Old 04-20-2014, 09:05 PM   #6
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Default OT Hmmm, not so fast.

Constipation has perhaps set in. I saw that reported by another I recognize from the Q5 board.

Cleared my zillions of duplicate initially failed test responses here, but then tried to reply to PaulW's A/ C one. No joy. I'll see if my cut and paste of what I already put on QW eventually shows up here on Paul's question. For now, still somewhere in the cloud on the AW side.
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Current #1: '06 D3 A8L W12 brilliant black w/ amaretto; 4 seat setup, CPO; modestly lowered, H&R 20mm rear and 12mm front DRs with 275/35 on OEM polished + forged 20's; S8 sway bars (see: rear bar and gen'l D3 bar info and front bar); tweaked 385mm front factory brake mod and matching rear brake mod; matching C6 A6 back headrests (better rear view: headrest tweak); owner installed AMI retrofit with part number details here.
Current #2: 2013 Q5 2.0T hybrid; Scuba blue w/ chestnut sport interior; Euro delivery 7/2013 (pictured at Ingolstadt)
Prior (each modded): 2000 C5 A6 4.2 & '96 C4 A6 2.8Q, both still w/ family; '85 C3 5000S 5 sp FWD; '73 C1 100LS

helpful cross reference to a C6 post with MMI and other TSB's that also cover D3 A8's.

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Old 04-20-2014, 11:17 PM   #7
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But your reply is there. It looks like just you can't see it or it is delivered by snailmail.

Quote:
Originally Posted by TSHong View Post
Paul, I would also check the amount of refrigerant. Our system holds roughly 1.5 lbs of R134A. ...l
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Old 04-21-2014, 04:13 AM   #8
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Somebody cleaned up all of my messages where I replied to your post and had to do it three times.
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Old 04-23-2014, 04:55 AM   #9
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My MMI was shutting off regularly, turned out that the ground terminal was loose on the battery. Check that.
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Old 04-23-2014, 04:55 AM
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