Heated Oxygen Sensor (HO2S): Specifications: Specification

2010 Kia Forte EX, StandardSECTION Specification

HO2S [Bank 1/Sensor 1] 

HEATER RESISTANCE SPECIFICATION (BANK 1/SENSOR 1)

Item Specification
Heater Resistance (Ω) 2.5 ~ 4.0 [20°C (68°F)]

HO2S [Bank 1/Sensor 2] 

AIR/FUEL RATIO AND OUTPUT VOLTAGE SPECIFICATION (BANK 1/SENSOR 2)

A/F Ratio (λ) Output Voltage (V)
RICH Approx. 0.9
LEAN Approx. 0.04
HEATER RESISTANCE SPECIFICATION (BANK 1/SENSOR 2)

Item Specification
Heater Resistance (Ω) 3.3 ~ 4.1Ω[21°C (69.8°F)]
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.