HELP 99V70 O2 sensor issues

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Apr 30, 2006 | 01:02 PM

hubmachine

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HELP 99V70 O2 sensor issues

Changed out rear sensor after P0136 appeared on check engine light.
used volvo OEM from volvo dealer. P0136 appeared after erasing codes. what else can i check?

Apr 30, 2006 | 05:50 PM

tech

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From: Orlando, Florida

RE: HELP 99V70 O2 sensor issues

Intake leak
exhaust leak
Front o2 sensor

Apr 30, 2006 | 06:13 PM

hubmachine

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RE: HELP 99V70 O2 sensor issues

i also replaced the air/fuel (front) sensor. where should i look for the leaks?

Apr 30, 2006 | 08:44 PM

tech

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From: Orlando, Florida

RE: HELP 99V70 O2 sensor issues

Check all the Vaccum hoses and check the exhaust system before the sensors.

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