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D3 - Engine Bay Everything under the bonnet |
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Thread Tools | Display Modes |
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#1
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Pulling off the vacuum pipe and putting a ballbearing or a snipped off artist's brush handle has the same effect as an EGR plate - it just stays closed. You will get an EGR - Insufficient flow error code and light though. It will need to be turned off in software. Note this will make the engine sound more dieselly.
Flaps, they server a purpose so may as well wait until they fail. I cleaned my whole post EGR intake out at around your mileage, the ports to the inlet valves in the head were almost completely bunged up in sooty sticky coke, I scraped it off in lumps. Expected a noticeable increase in performance afterwards but there was none I could perceive. |
#2
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So what you are saying is that I should delete the EGR in software only and don't care about the swirl flaps before they fail completely. Also cleaning out the intake duct and swirl flap housing is a waste of time?
Reason I'm asking is that I did an acceleration test with VCDS connected after the tune, and 0-100 km/h was slower than stock factory data by 0.4 seconds...
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2006 Audi A8 3.0 TDI Quattro Sport A8 W12/S8 Brakes front and rear (385mm/335mm) Focal and JBL speakers, Helix amps S8 anti-roll bars front and rear Complete rear LED taillight Xenon fog lights All interior LED S8 rims 9x20" Stage II tune S8 Grill |
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