97 z71 reason for codes PO154, PO430, P1153

ADAM TYLER

MEMBER
1997 CHEVROLET SILVERADO
200,000 MILES

97 z71 reason for codes po154, po430, p1153

Wednesday, February 13th, 2013 AT 6:59 AM

1 Reply

HMAC300

MECHANIC
48,601 POSTS

154 is O2 sensor bank 2 sensor 1 430 is low effiency catalytic converter bank 2 and 1154 is O2 sensor bank 2 sensor 1 so you r converter is eitehr clogged or the sensor is bad on right bank pre convertr

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97 z71 reason for codes PO154, PO430, P1153

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