DRR S/Pro
| Why not use your IR temp gun to check the top radiator hose? Should give some insight.
Illegitimi non carborundum
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| | | Posts: 2371 | Location: OKC, OK | Registered: February 15, 2008 | 
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DRR Sportsman
| quote: Originally posted by NFC:
The way I read it from GM the ECM goes by fuel used to reach a engine temp. of 162*. Most of the time its just one of the thermostats is weak or stuck slightly open. I would replace both while you are at it.
I didn't know there are two thermostats. I only know of the one at the end of the lower radiator hose, where it meets the water pump. Where's the second? |
| | | Posts: 465 | Location: Maryland | Registered: January 23, 2007 |
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DRR Sportsman
| quote: Originally posted by 329L:
If you don't replace it, it will use more fuel, and actually get to where it wants to over heat when you are stopped and idling.
That's what I've heard. The code cleared for now and I was thinking maybe it was a fluke. Any chance of that?? My only issue with replacing it is that I don't have an easy way to drain the cooling system. There's no petc o ck in the radiator. |
| | | Posts: 465 | Location: Maryland | Registered: January 23, 2007 |
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DRR S/Pro
| quote: Originally posted by jimmyc:
It’s not operating in the proper temp range. Put a new thermostat in it and clear it out then problem solved.
X2
272" Spitzer
540 Chevy
The Blower Shop XR1
FTI XPM Series Converter
FTI Level 6 Powerglide
3.69@199
.916 60'
2017 Bradenton Heads Up Madness
Open Outlaw Champ
2018 PDRA T/D #5
2019 PDRA T/D #2
2020 Retired From T/D Competition....
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