Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc.
01-30-2002, 10:51 AM
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Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc.
My buddies 97' Civic is throwing a CEL 41 code.. 41 says "Primary Oxygen Sensor - Heater Circuit Malfunction".
Does just mean that the O2 sensor needs to be replaced?
Does just mean that the O2 sensor needs to be replaced?
01-30-2002, 10:57 AM
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Re: Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc. (mattlehrer)
I'd reset the ecu and see if it returns, it's quite possibly just a random error
01-30-2002, 10:59 AM
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Re: Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc. (VaporTrail)
I have reset the ecu a few weeks ago and it returned..
His car is constantly stalling as well when he is at a stop..
[Modified by mattlehrer, 8:14 PM 1/30/2002]
His car is constantly stalling as well when he is at a stop..
[Modified by mattlehrer, 8:14 PM 1/30/2002]
01-30-2002, 11:15 AM
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Re: Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc. (mattlehrer)
Not throwing any other codes? A PO2S shouldn't cause the stalling problem.. for the heater circuit especially.. at least I can't see why it would.
01-30-2002, 11:15 AM
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Re: Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc. (mattlehrer)
Sounds like a bad O2. If the ECU can't get a reading it'll go full rich.
01-30-2002, 11:16 AM
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Re: Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc. (Dave-ROR)
No other codes.. WTF is the heater circuit? Is that part of the 02 sensor??
Any ideas?!
Any ideas?!
01-30-2002, 11:17 AM
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Re: Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc. (newt2)
Sounds like a bad O2. If the ECU can't get a reading it'll go full rich.
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01-30-2002, 11:18 AM
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Re: Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc. (Dave-ROR)
Do the codes come in a series or do you have to turn off the ignition and repeat to get all the codes?
01-30-2002, 11:20 AM
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Re: Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc. (mattlehrer)
No other codes.. WTF is the heater circuit? Is that part of the 02 sensor??
Any ideas?!
Any ideas?!
01-30-2002, 11:22 AM
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Re: Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc. (mattlehrer)
Do the codes come in a series or do you have to turn off the ignition and repeat to get all the codes?
LONG LONG SHORT SHORT PAUSE PAUSE PAUSE LONG LONG LONG LONG SHORT PAUSE PAUSE PAUSE LONG LONG SHORT SHORT PAUSE PAUSE PAUSE LONG LONG LONG LONG SHORT, etc.
01-30-2002, 11:24 AM
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Re: Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc. (Dave-ROR)
They'd come right after each other..
Anyone got a spare 02 sensor for me to try to see if thats the prob?
01-30-2002, 11:51 AM
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Re: Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc. (mattlehrer)
They'd come right after each other..
That's what I thought.. It' was just a 41 then.
Anyone got a spare 02 sensor for me to try to see if thats the prob?
That's what I thought.. It' was just a 41 then.
Anyone got a spare 02 sensor for me to try to see if thats the prob?
01-30-2002, 12:07 PM
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Re: Help - Cel Code 41 - Primary O2 Sensor - Heater Circuit Malfunc. (Dave-ROR)
I sorta do. I have a working 4 wire PO2S with stripped threads... hehe
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