Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Oxygen Sensor: Specifications

A/F Sensor Heater Resistance 0.8 - 1.4 at 20 Ohms At Degrees Celsius (ohms @ deg C)
1.8 -3.2 at 800 Ohms At Degrees Celsius (ohms @ deg C)
Heated Oxygen Sensor Heater Resistance (Bank 1 Sensor 1, Bank 2 Sensor 1) 11 - 16 at 20 Ohms At Degrees Celsius (ohms @ deg C)
23 -32 at 800 Ohms At Degrees Celsius (ohms @ deg C)
Heated Oxygen Sensor Heater Resistance (Bank 1 Sensor 2) 11 - 16 at 20 Ohms At Degrees Celsius (ohms @ deg C)
23 -32 at 800 Ohms At Degrees Celsius (ohms @ deg C)