Coolant Temp too Low Code? : 2000-2005 (other than GXP)

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Coolant Temp too Low Code?

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redzmonte

Post subject: Coolant Temp too Low Code?

Posted: Sat Dec 10, 2011 10:06 pm

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Joined: Mon Jun 13, 2011 4:21 am
Posts: 1358
Year and Trim: 2000 SSEI

Ok, so its been getting low single digits temp outside here now im randomly getting a "Coolant Temp Too Low" Code.. I don't remember the code number.... google says it should be a P0128, which sounds right... (will check next time it comes on).

I assume its a Bad coolant temp sensor.... but google search shows up with everyone saying replace T-stat and sensor... the temp is right on where it should be 190'sh. it came on once when idleing and a couple times when driving...

Could it be something i jacked up in the tune?

S

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00Beast

Post subject: Re: Coolant Temp too Low Code?

Posted: Sat Dec 10, 2011 11:08 pm

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It's more about the time it takes to heat up. Replace the thermostat.

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myfirstbonnie

Post subject: Re: Coolant Temp too Low Code?

Posted: Sun Dec 11, 2011 2:00 am

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Also, confirm that is the code, get the codes read and verify it in our techinfo section.

http://www.pontiacbonnevilleclub.com/forum/viewtopic.php?f=51&t=8893

I would hate to see you throw parts at it in find out it was the wrong code and issue.

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redzmonte

Post subject: Re: Coolant Temp too Low Code?

Posted: Thu Dec 22, 2011 5:59 pm

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Joined: Mon Jun 13, 2011 4:21 am
Posts: 1358
Year and Trim: 2000 SSEI

came on again, it was P0128. will get a new t-stat and go from there.

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jedwards83

Post subject: Re: Coolant Temp too Low Code?

Posted: Thu Dec 22, 2011 10:30 pm

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Joined: Wed Jan 26, 2011 9:18 am
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Location: Flaherty, KY
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At least T-stats are cheap if you find out it's not the problem... The gauge should be a good indicator how long it's taking to warm up. Should be pretty close to operating temp (~185F) after 10 minutes of driving.

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redzmonte

Post subject: Re: Coolant Temp too Low Code?

Posted: Sat Dec 24, 2011 2:19 pm

Posts like an L67

Joined: Mon Jun 13, 2011 4:21 am
Posts: 1358
Year and Trim: 2000 SSEI

it seems to warm up normally and to normal temp... It has come on when i was idling for long period of time and a couple times while im driving on a COLD night (single digits to 0*). I will try a new one this weekend and see how it goes.

S

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Portal » Board index » Mechanical and Maintenance (no chat or performance) » 2000-2005 (other than GXP)

All times are UTC - 5 hours [ DST ]

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