How cold is it in Santa Barbara? It's normal for a diesel, when cold, to be a bit sluggish. Are you just jumping in and taking off? Try letting it idle for a few minutes before taking off, if it cold. Are you getting any nailing or anything else unusual? or it's just slower than usual?

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1983 Euro 240D 277K
2016 Mazda 6
Coming Soon, 2013 Mercedes E350 Bluetec
Formers:
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2007 Outlander- complete pile
1995 E300 Diesel 208K
2007 VW Passat 2.0T 63K SOLD
2003 Jaguar X-type 3.0 Sport Sold 04/11 w/88K
2009 Lexus RX350 9061 miles. Sold 04/09
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2003 Infiniti I35 58K Sold
1984 300 turbo diesel 222K