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Author Topic: S4 w/ RS6 Turbos Issue  (Read 31184 times)
ddillenger
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« Reply #15 on: April 13, 2015, 05:22:40 PM »

Will do. I have set of Bosch Side Fire's that I swapped out that I may throw back in. I'll move the coils around too. DV's should be good, I've got bailey's. I'll pressure test too.

Whilst tuning, run BRK7E. Straight copper plugs, gapped .028. Copper conducts better than all of the fancy metals, and is better at drawing heat. The only downside is short life, but if you're smart, you should be pulling your plugs regularly DURING tuning to check for issues anyway, and replacing them once finished. THEN, use your fancy pants sidefires Tongue
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BerkleyJ
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« Reply #16 on: April 18, 2015, 03:05:05 PM »

swapped in a set of BRK7E's, pressure tested, cleaned the MAF becasue why not. swapped coil packs around.

Absolutely no change. Still randomly just cuts hard and the logs don't seem to show misfires. I swear it's tune related or something.
« Last Edit: April 18, 2015, 03:25:35 PM by BerkleyJ » Logged
BerkleyJ
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« Reply #17 on: April 18, 2015, 05:16:54 PM »

Here's a new log. I think I found the issue. Desired AFR drops to like .35
I'm not sure why.

Something weird here? timing off or something? Sorry about the help bubble
« Last Edit: April 18, 2015, 05:22:28 PM by BerkleyJ » Logged
ddillenger
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« Reply #18 on: April 18, 2015, 08:33:05 PM »

Your bank2 cam timing should be addressed. It's off.

Also, I have no idea what the fuck is going on in that log. Pull the air filter, try to log with it removed.
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Chris1982
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« Reply #19 on: April 19, 2015, 11:23:08 PM »

Your Problem is, that bank2 camshift is not calibrated the right way. You have to get max 5 digits difference between the camshifts and getting it nearly to 0 digits. I had the same problem as well. My ignition coils and sparks were damaged every few kilometers...
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BerkleyJ
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« Reply #20 on: April 20, 2015, 02:44:09 PM »

Any info on how i should go about fixing the cam timing? Is that just form the timing belt stretching or what?
« Last Edit: April 20, 2015, 02:57:58 PM by BerkleyJ » Logged
10101011
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« Reply #21 on: April 20, 2015, 04:08:01 PM »

Not stretch.  You need to loosen the cam gear bolts and have the locking bar in place. Basically  you will be redoing your timing belt

Lee
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nyet
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« Reply #22 on: April 22, 2015, 11:00:33 AM »

Also, if you have a stock intake, the accordians can collapse.

Consider getting new ones (old ones get very saggy) and/or cutting a hole in the bottom of your airbox.

[ETA] Disregard, I noticed from your OP you are running open element intake
« Last Edit: April 22, 2015, 11:03:59 AM by nyet » Logged

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BerkleyJ
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« Reply #23 on: May 02, 2015, 01:20:46 PM »

I don't think this has anything to do with the camshift (which I have since fixed). If you look at the logs, it's requesting a ridiculously low AFR and that's when it cuts out.
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ddillenger
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« Reply #24 on: May 02, 2015, 02:53:24 PM »

Post your file.
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BerkleyJ
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« Reply #25 on: May 02, 2015, 03:12:13 PM »

Post your file.

It's in OP
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BerkleyJ
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« Reply #26 on: May 05, 2015, 09:33:56 AM »

No one knows what would be making it suddenly request a ridiculously low AFR?
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ddillenger
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« Reply #27 on: May 05, 2015, 11:43:15 AM »

Add these to your logging cfg and relog:

lambts
lamfa_w
lambsbg_w
tabgm
tanslin
tats_w

I'm sure I'm missing some, but that's a start.
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BerkleyJ
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« Reply #28 on: May 05, 2015, 11:52:43 AM »

Add these to your logging cfg and relog:

lambts
lamfa_w
lambsbg_w
tabgm
tanslin
tats_w

I'm sure I'm missing some, but that's a start.

The one log I posted above has most of those, but I'll try and get a new log up with everything.
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nyet
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« Reply #29 on: May 05, 2015, 11:58:47 AM »

Still baffled at your log as a whole

Why is your WGDC not 95 during spool? Why is your PID P 0 during spool?
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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