several codes coming up need help please

[adamw89_2000]

im in need of some help. my 05 h2 is getting bad gas milage( worse than its supposed to) lol and its seem to lost power... im gettin multiple codes... p0137 bank 1 sensor 1
p0332 knock sensor 2 bank 2
p0135 bank 1 sensor 1
p0053 bank 1 sensor 1
can any help???? ive already replaced the oxygen sensor on my driver side front sensor... thanks

[HUMTECH]

check o2a fuse for o2 sensor codes. Knock sensor code most likely due to corrosion at sensor connector. If that is the case your best to replace both sensors and harness while you have intake off.

[adamw89_2000]

i checked my fuses and they are all good?? any more helpful ideas on where to start