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O2 Sensor Code 41

1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

O2 Sensor Code 41

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Old

Sep 6, 2001 | 07:01 AM

#1

Gates

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Joined: Jul 2001

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O2 Sensor Code 41

Ok I have been getting a code 41 when I run the self test. According the manual that is an O2 sensor not switch. Any ideas how to check this. I am going to check the HEGO for power. and check the sensor so its low voltage but besides that I am not sure what else to do. This is on a 1991 F150 with a 302 C6.

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Old

Sep 6, 2001 | 10:45 AM

#2

PAUL_2

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Joined: Jul 1999

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O2 Sensor Code 41

The engine has to be at normal operating temperature otherwise code 41 will be displayed .

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Old

Sep 6, 2001 | 01:58 PM

#3

dbrown13

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Joined: Sep 2001

Posts: 291

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From: Central Texas

O2 Sensor Code 41

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Tags

1991, 41, code, f150, forum, heated, oxygen, sensor, troubleshooting

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