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Pfc Water Temp Reads 42 C!!!!!

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Old Jun 10, 2008 | 10:03 AM
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From: socal
Pfc Water Temp Reads 42 C!!!!!

Replaced all vacuum line on the solenoids sunday, so I had the UIM off the car among other sensors and solenoids I unplugged to make life easier, put everything back together and my water temp reads 42 C when its at operating temp, gauge on the car reads normal, pfc way off, WTF did I do?????
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Old Jun 10, 2008 | 10:52 AM
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sounds like you either switched the water temp plug with the fuel temp or air temp. you are not the first person that happened to.
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Old Jun 10, 2008 | 11:10 AM
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From: socal
do u know which is which, i have the green plug to the water and i remember a blue one to the side of it??
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Old Jun 10, 2008 | 11:14 AM
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yep. 100% you switched them. Need to remove UIM again. One is plug that goes to fuel rail (btw, check fuel temp on PFC ) and another plug goes to filler neck. They both green same connectors
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Old Jun 10, 2008 | 11:30 AM
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From: socal
thanks for the help guys ima chk it when i get home
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Old Jun 10, 2008 | 11:50 AM
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Don't drive it like that! Car will be overheating
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Old Jun 10, 2008 | 02:36 PM
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From: socal
good looking out, and i'm not driving it currently
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Old Jun 11, 2008 | 07:57 AM
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From: cold
the car won't overheat if you switch those as long as everything is working... it will just deliver the incorrect amount of fuel (too rich b/c it thinks the engine is cold)
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Old Jun 11, 2008 | 09:31 AM
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well that was easy, and I was able to reach the plug w/o taking the uim off, easy fix, thank s again guys!!
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