o2 sensor

1999 MAZDA B3000
101,481 MILES • 6 CYL • 4WD • AUTOMATIC
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MRSSHELTON
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  • 2 POSTS
could all 3 of my o2 sensors be "reacting to slow" on my 99 mazda b3000 truck? thats what a car repair shop told me
Dec 1, 2010 at 2:45 AM
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JACOBANDNICKOLAS
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All three could go bad, but they usually don't go bad at the same time.
Dec 1, 2010 at 3:03 AM
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MRSSHELTON
  • MEMBER
  • 2 POSTS
the repaishop said hey were "slow to react" and that is why my check engine light keeps coming on. should i replace all 3 or is there a way of seeing IF it is all 3, then replace ech one.
Dec 1, 2010 at 9:25 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
The resistance needs checked in each one.
Dec 2, 2010 at 12:20 AM
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