Hummer Forums by Elcova - several codes coming up need help please

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- Technical Discussion and Customizing your H2 (http://www.elcovaforums.com/forums/forumdisplay.php?f=5)

- - several codes coming up need help please (http://www.elcovaforums.com/forums/showthread.php?t=41966)

adamw89_2000

10-03-2011 08:36 PM

several codes coming up need help please

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

10-04-2011 06:21 AM

Re: several codes coming up need help please

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

10-06-2011 01:51 AM

Re: several codes coming up need help please

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

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