2001 Ford Ranger O2 sensor

2001 FORD RANGER
90,000 MILES • 6 CYL • 4WD • MANUAL
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555ZJ555
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low circuit voltage on bank 1 both O2 sensors
codes po137, po131

solution to make check engine light to go off
if i cant fix it are the o2 sensors still performing their job
Oct 14, 2010 at 3:27 PM
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