Thread: Code P1034
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Old 06-18-2008, 11:01 PM   #3
Lil bastard
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P0134 is Oxygen sensor ahead of TWC (Pre-Cat) , bank 1. It is a Type 2 Fault meaning an Open circuit/no signal.

The OČ Sensors, despite a claimed service life of 100k mi. by the manufacturer can easily go south after 60k mi. but not km (notice they claim a 100k mi. service life, but do not warranty it for that mileage).

Check for a loose/damaged electrical connector, if none found, replace it.

Normally I would recommend swapping them all when one goes bad, but not @ 62k km.
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