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October 1, 2003 Service bulletin

Revised diagnostic trouble code (DTC) P0146 HO2S circuit insufficient activity bank 1 sensor 3

Chevrolet technical service bulletin 030604051 for 1997 Chevrolet Astro and 1997 GMC Safari.

Bulletin number
030604051
Component
Engine and engine cooling: engine
Summary
Revised diagnostic trouble code (dtc) p0146 ho2s circuit insufficient activity bank 1 sensor 3. Tt

Owners of these vehicles have filed 55 complaints in the engine category.

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