Wonder if this works,

[Hybrid1098]

gas saver

http://www.amazon.com/Volo-Saver-Tuner-Isuzu-VehiCROSS/dp/B004K6PHLW/ref=sr_1_51?s=automotive&ie=UTF8&qid=1320865985&sr=1-51

performance

http://www.amazon.com/Volo-Performance-Power-Programmer-VehiCROSS/dp/B004K6XN2M/ref=sr_1_56?s=automotive&ie=UTF8&qid=1320866049&sr=1-56

I am a little skeptical about these things however.

[Breezy]

http://www.vehicross.info/forums/showthread.php?t=19531&highlight=volo

[RICHARD PAYNE]

Save your money.