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Location of heater performance sensor

Tiny
ROYGOSSETT
  • MEMBER
  • 1998 CHEVROLET S-10
  • 4.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 138,000 MILES
I need to know the exact location of the H02S Heater Performance Bank 1 Sensor 3 on my truck listed above engine with SEFI engine code X.
Thursday, April 26th, 2018 AT 6:07 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The heater is built into the oxygen sensor. The number three sensor would be the furthest to the rear, after the converter.
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Thursday, April 26th, 2018 AT 8:21 PM
Tiny
ROYGOSSETT
  • MEMBER
  • 26 POSTS
Can you tell me in relation to a known component? I still cannot locate it.
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Friday, April 27th, 2018 AT 12:54 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
It will be in the exhaust system either in or after the converter.
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Friday, April 27th, 2018 AT 12:59 PM

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