A4 (B6 Platform) Discussion Discussion forum for the B6 Audi A4 produced from 2002-2005

Anyone else have APR stage 1+ pinging issues?

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Old 08-23-2006, 01:41 AM
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As an aside why was changing the fuel filter a correct thing to do?
Old 08-23-2006, 01:46 AM
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Default One last comment I have, not having changed the filter and tested the car ....

with the k03, to determine if the filter was provoking the pinging, the oportunity has been lost, and now, it won't ever be known for sure it that was the cause or not.

I am looking forward to your dyno results! Especially your comparison for drivability.
Old 08-23-2006, 01:49 AM
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Default Because even disregarding the pinging issue, it was due and is good practice as part of the upgrade.

Even without clear evidence of excessive fuel flow restriction.
Old 08-23-2006, 05:18 AM
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Default MC - i have had some pinging on bad batches of gas

when i have the car under high load in the mtns. But other than that i have not had any problems. Try running just some Shell or Mobil/Exxon 93 octane and everything should be fine. I had the pinging on BP 91 oct (91 is the highest here in the mtns of CO). As soon as i went back to Shell it was fine.

I also just replaced my fuel filter to be safe as i will be going K04 here soon.
Old 08-23-2006, 05:29 AM
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TJ: What software are you going with?
Old 08-23-2006, 06:52 AM
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Default No pings here... and I'm running the Stage 1+ 93 program on Husky ethanol additive 92 gas :(

When did you last swap your plugs out?

Oh, by the way, did you replace your coolant and oil lines to the turbo?
Old 08-23-2006, 09:08 AM
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maybe the fuel pump is going kaput, why dont you vag-com log a/f and g/m and knock V and timing pull
Old 08-23-2006, 10:01 AM
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Default When I had the APR stage 1+, it would ping under hard acceleration...

I had my fuel filter and pump changed out earlier this year, but that was done after I already switched over to the KO4 Revo kit. Never had any problems with the K04, but the APR setup would ping like no tomorrow.

I'm not sure who to blame about the ping'ing....because my APR tuner at the time sucked ***, perhaps maybe it's the car, or could have been the filter as you said.
Old 08-23-2006, 10:02 AM
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I ran Cheron 94 all the time unless I am in the US so I don't think it is the gas.
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