tahoe comparison

k i think i got the 2002 flex tahoe whats the difference in the performance of the flex and a base and how u tell if its flex i dont got the stickers sayin flex fuel but i was goin to get a program tuner and the company said it matter wich 1 it is

i got the 2002 tahoe LT 4x4


and also got the problem with the knock sensors low voltage reading replaced em both and month later they came back on as lowvolatage code??

Please refrain from using "shorthand" to post threads...it is against Forum Guidelines and hampers the effectiveness of the search engine, not to mention not easy to read by some members. Thanks.

That said, look for the RPO code sticker inside your glovebox. The flex-fuel RPO for the 5.3L iron block is L59, L33 for the 5.3L aluminum block, and LMH for the 6.0L aluminum V8.

Good point.
People around here tend not to contribute to threads like this one simply because it is too time-consuming to figure out what the original poster is trying to say. :(