Codes 172 & 173 mean O2 sensor detects mixture "too lean" "too rich."
Does that mean its dead?
Could a dead 02 sensor cause any drivability problems like a subtle loss of power while on the highway?
1995 Contour GL "GEX"
2.0 Liter 4-banger
ATX
162,500 miles
Stock except for two '89 Tempo wheel covers & two VERY COOL cosmic looking '76 Toyota Corona wheel cover
Full size spare
No rust
Green
Purchase price: $500
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