OXYGEN SENSOR

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03-08-2008, 08:15 AM

chachouu

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OXYGEN SENSOR

is there a difference between the front and rear oxygen sensor?
is code Po171 a sensor issue if so which one.

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03-08-2008, 08:29 AM

tech

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RE: OXYGEN SENSOR

That code is for system to lean.
Check for vaccum leaks first.

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03-08-2008, 08:44 AM

chachouu

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RE: OXYGEN SENSOR

vaccum leak that would include what TECH.

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03-08-2008, 08:56 AM

tech

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RE: OXYGEN SENSOR

Broken vaccum line on the engine.
Bad hose from Mass flow to engine.
ETC

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