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Old 07-26-2019, 06:32 PM   #1
IHCScout78
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Join Date: Jan 2009
Member Number: 743
Location: Detroit Mi
Posts: 78
Default Heated Oxygen Sensor

Is anybody using a heated O2 sensor? How do is it wired and does it matter which one?

I have the Affordable Fuel Injection kit that IH Only used to sell.

I installed Stan's Shorty Headers with ceramic coating. I did not want to mess with the coating, so I put O2 sensor downstream of the ball flange.

Now I get codes 13 (lost connection to oxygen sensor) and 44 (out of range lean) whenever I am at light cruise (level, 40-50 MPH). The check engine light does not stay lit when I get back in throttle, and I have confirmed over a couple weeks of driving and clearing codes that I only get them at light throttle.

I think the O2 sensor is not staying hot enough (600 degrees) at light cruise. I know I do not have the sensor in optimal location, but at this point, heated sensor seems simplest solution.
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