2002 Subaru Forester check engine light

112,000 MILES • 4 CYL • AWD • AUTOMATIC
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KLICE
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  • 1 POST
code P0037 HO2s bank 1 sen 2 heater curcit low I clear it and it comes back after 6 miles how can it be fixed for good I changed the cat. O2sensor front and back about one year ago
May 12, 2009 at 4:41 AM
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CRZYDRVR
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  • 432 POSTS
check for problems in the wiring from the PCM, or air/fuel metering. If these check fine then replace the o2 sensor with an OEM.
Jun 8, 2009 at 5:35 PM
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