Coolant Temp Sensor Circuit Malfunction
#336308
August 06, 2010 08:18 pm UTC
August 06, 2010 08:18 pm UTC
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Joined: Aug 2007
Posts: 4,796
Oshawa, Ontario, Canada
Brandon Clement
OP
Senior Member, with Far TOO Much Time on Their Hands
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OP
Senior Member, with Far TOO Much Time on Their Hands
Joined: Aug 2007
Posts: 4,796
Oshawa, Ontario, Canada
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Hey all, this has been an ongoing problems with my 92. I recently just disabled it in my ECMLink which solved my erratic idle and hard starts, but when it is enabled, the coolant SOMETIMES hits the proper temperature, but for the most part sits at anywhere between -40F and 60F, and then I get a Coolant Temp Sensor Circuit Malfunction DTC through Link.
Now, I've replaced it once with a GM Sensor, and I've tried some aftermarket sensor, which didn't have a plug in, so you have to use clips, and it seems to still be an issue. I was wondering if there is any actual circuit board for the coolant temp sensor, or if it's just the 2 wires?
If it's just the 2 wires, I suppose I need to just find an OEM sensor.
No more Jetta!
Tattoo Artist at Lost Anchor
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Re: Coolant Temp Sensor Circuit Malfunction
[Re: Rob Strelecki]
#336312
August 06, 2010 08:36 pm UTC
August 06, 2010 08:36 pm UTC
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Joined: Oct 2005
Posts: 10,749
Belleville, Ontario
Ryan Laliberte
No-Lift-To-Shift.... Stock. :)
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No-Lift-To-Shift.... Stock. :)
Senior Member, with Far TOO Much Time on Their Hands
Joined: Oct 2005
Posts: 10,749
Belleville, Ontario
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Is your thermostat opening?
Last edited by Ryan Laliberte; August 06, 2010 08:36 pm UTC.
AWDAuto 1996 TSi AWD Automagic12.24 @ 113 - Small 16G FP Green HTA - 11.42/123 Team Pump Gas and Meth RTMRacing - Your Canadian source for DSM Parts "Every moment you live is pregnant with the next moment of your life" --Jim CarreyLast Login: September 28, 2021
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Re: Coolant Temp Sensor Circuit Malfunction
[Re: Ryan Laliberte]
#336325
August 07, 2010 04:40 am UTC
August 07, 2010 04:40 am UTC
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Joined: Aug 2007
Posts: 4,796
Oshawa, Ontario, Canada
Brandon Clement
OP
Senior Member, with Far TOO Much Time on Their Hands
|
OP
Senior Member, with Far TOO Much Time on Their Hands
Joined: Aug 2007
Posts: 4,796
Oshawa, Ontario, Canada
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Is your thermostat opening? Of course it's opening.
No more Jetta!
Tattoo Artist at Lost Anchor
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Re: Coolant Temp Sensor Circuit Malfunction
[Re: Brandon Clement]
#336326
August 07, 2010 04:41 am UTC
August 07, 2010 04:41 am UTC
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Joined: Aug 2007
Posts: 4,796
Oshawa, Ontario, Canada
Brandon Clement
OP
Senior Member, with Far TOO Much Time on Their Hands
|
OP
Senior Member, with Far TOO Much Time on Their Hands
Joined: Aug 2007
Posts: 4,796
Oshawa, Ontario, Canada
|
I'll go through the wiring and see if I can find any damage to it. I was more so wondering if there is an actual circuit that took care of it, more than just the 2 wires that come off of it.
I will have to go through really carefully. Thanks all for the answers.
Last edited by Brandon Clement; August 07, 2010 04:42 am UTC.
No more Jetta!
Tattoo Artist at Lost Anchor
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