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Home >> Jeep >> 2007 >> Wrangler Unlimited Rubicon, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0128 To P0202 >> P013A-O2 Sensor 1/2 Slow Response - Rich To Lean >> Monitor Conditions

Monitor Conditions

  1. When Monitored: 

    With the engine running, vehicle speed above 96 kph (60 mph), throttle open for a minimum of 120 seconds, ECT greater than 70°C (158°F), catalytic converter temperature greater than 600°C (1112°F), and downstream oxygen sensor in a rich state. During a decel fuel shutoff event, the downstream oxygen sensor should switch from rich to lean within a specific time.

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