Top Post Dawg
- Apr 27, 2003
- 1997 Passat TDI White,99.5 Blue Jetta TDI
In early 2000 I was at a dealer in Colorado that was complaining about a run of injection pump failures that were covered under warranty . A few weeks later a person from VW of America showed up and asked for fuel samples on all that came in with injection systems issues .p_ferlow said:Just ordered my 09' Jetta TDI. VERY interested in data from your experiment. Thanks for doing this for the rest of the community.
I'll be processing my own biodiesel in less than 2 months. Most will go into my F250 7.3L powerstroke. I usually run about B40-B50 in it no problems.
VW dealer joked "you'll be fine running up to B20 in the new TDI, if you have any sort of warranty problem say nothing, fill up with reg diesel and get it fixed". LOL
It turned out just by chance a dealer in CA that had a car in for a pump failure decided on their own to take a fuel sample and test it . It came back with a % of BD above what VW was willing to accept . VW lost a lot of money before they figured this one out . I have a friend that lost a pump on a Passat TDI wagon and yes he had been using homemade BD . He pumped all the BD out then pumped a quantity of Dino diesel in before he had the car towed in for repair . VW heed & hawed over paying for the pump but in the end they did . But they also canceled his warranty after this .
My point is VW is well aware of what we run our VW TDIs on in the US so don't expect to get away with much if an experiment in fueling goes badly .