Quote:
Originally Posted by COcyclist
Thanks Mario, I have been trying to find this out for myself due to problems with a U.S. EGR cooler recall. From what I can find it is better to leave the EGR intact for lowest fuel consumption.
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I guess I should have said "from what I can find FOR THE VW TDI it is better to leave the EGR intact...". Most people report what you have found UFO, that if you simply block off the EGR or disable it with VAG COM it confuses the computer and performance suffers. If anyone has a tune that optimizes ERG for fuel efficiency I would love to try it on my car. So far, I have not found that.