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Old 09-03-2010, 07:29 PM   #1
truckdude239
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06 silverado po128?

i got a friends truck tring to get it though nc inspection but i have to fix the check engine light first its got code P0128: ECT Sensor Below Thermostat Regulating Temperature. coolant is full runs between 190-210 . truck has a cold air intake on it i was told t-stat and or ect sensor but i thought I'd check with you guys first before i throw parts at it
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Old 09-04-2010, 09:05 AM   #2
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Re: 06 silverado po128?

okay drove it to work this morning 10 mile drive and it didn;t get over 175 degrees so time for a new t-stat and goign to trew ina temp sensopr to since it only 7 dollars
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1971 Chevy c-10 under going a 4.8l LSx swap

Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305

2007 Honda Accord my daily 145kmiles
2002 Honda Accord 4 door With 330k(sisters car)
2005 toyota Avalon 228k( brothers car)
2002 Sububran 5.3 245k
2000 Tahoe 5.3l 378

General manager for Marco's Carwash & lube
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Old 09-05-2010, 10:44 AM   #3
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Re: 06 silverado po128?

got it fixed thermo stat was stuck open and installed a new temp sensor runs at about 208
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1971 Chevy c-10 under going a 4.8l LSx swap

Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305

2007 Honda Accord my daily 145kmiles
2002 Honda Accord 4 door With 330k(sisters car)
2005 toyota Avalon 228k( brothers car)
2002 Sububran 5.3 245k
2000 Tahoe 5.3l 378

General manager for Marco's Carwash & lube
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Old 09-05-2010, 12:42 PM   #4
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Re: 06 silverado po128?

Well bout time I looked in on this I see you have it fixed already. Well ok.

And how's the weather over there today?
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Old 09-05-2010, 06:02 PM   #5
truckdude239
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Re: 06 silverado po128?

its great sunny 83 degrees
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1971 Chevy c-10 under going a 4.8l LSx swap

Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305

2007 Honda Accord my daily 145kmiles
2002 Honda Accord 4 door With 330k(sisters car)
2005 toyota Avalon 228k( brothers car)
2002 Sububran 5.3 245k
2000 Tahoe 5.3l 378

General manager for Marco's Carwash & lube
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Old 09-19-2010, 09:23 PM   #6
Palf70Step
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Re: 06 silverado po128?

MY V6 had the same issue. I didn't notice 9drove it over a year) it till a real cold snap during last winter. Then I got the check engine light and noticed it took a looooong time to warm up. I am soooo glad they build the thermostats that break open now days. So much better than all the stuck closed ones I dealt with in the 70s & 80s.
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