2002 ISUZU RODEO
150,000 MILES
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YOAVS
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I have 2 errors:
EGR - 401
o2 sensor - 135

What shoulI do? which sensor shoud be replaced?

Thanks!
Oct 17, 2012 at 9:04 PM
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SATURNTECH9
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Lets start with the P0401 lets make sure the egr port isnt clogged up causing that.
Oct 17, 2012 at 9:13 PM