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Old 06-01-2006, 03:10 PM
MadHung MadHung is offline
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Exclamation Post cat O2 fault

I have the Service engine light on with 3 codes:
p0133-oxygen-sensor-circuit-slow-response-bank-1-sensor-1
p0420-catalyst-efficiency-below-threshold-bank-1
p1423-EGI-function-test-fail

The car is running sluggishly and if I take it over 4500 rpm, it starts sputtering and will do so untill i turn it off and turn it back on.

Anyone see this?


I don't know if the front O2 sensor is bad, but I would like to disconnect the rear one and replace it with a resistor, anyone know what ohm resistor I should use?

S
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