Oxygen Sensor

1995 Chrysler New Yorker V6-3.5L VIN FSECTION Oxygen Sensor

Air/Fuel Oxygen Exhaust
Ratio Sensor Voltage Gas Content

12.0:1 1.0 Volts [1] 5.0% CO [2]

13.0:1 0.85 Volts 3.8% CO [2]

14.0:1 0.65 Volts 1.3% CO [2]

14.7:1 0.45 Volts [5] 0.1% CO [2]

15.0:1 0.35 Volts 2.0% O2 [3]

16.0:1 0.25 Volts 3.0% O2 [3]

17.0:1 0.10 Volts [4] 4.0% O2 [3]





Remarks

[1] Full rich condition.
[2] CO: Carbon monoxide, is a sign of incomplete ignition, (not enough oxygen to burn all the hydrocarbons in cylinder).
[3] O2: Oxygen left over after all hydrocarbons have been burned.
[4] Full lean condition.
[5] Stoichiometric point: Output voltages below 0.45 volts indicate a lean condition, and output voltages over 0.45 volts indicate a rich condition.


NOTE: Both lean and rich conditions are usually accompanied by high Hydrocarbon (HC) readings. Due to not enough fuel, (lean misses), or too much fuel, (not enough oxygen to burn all hydrocarbons).
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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