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Discussion Starter #1
Got this code two days in a row on the cts2 po1fo anybody now wtf that is i can clear it but comes back thanks guys
 

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Discussion Starter #2
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Did you try a search??
 

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Discussion Starter #5
So did a little bit of investigation and it sounds like a stuck thermostat dropping the coolent down below 160 What u guys think
 

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Discussion Starter #8
Thanks guys my cts2 was reading 150ish just did my thermostats and truck is back to 190 ish + - did a fuel filter also was down to 50% but two years old
 

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Discussion Starter #9
So it鈥檚 just the way it鈥檚 going for me right now but got a po657 today did a little search but not seeing that . U guys got anything I should look for ?thanks. I cleared the code and it has not been back thanks again !
 

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Discussion Starter #10
So this morning got the same thing cts is saying glow plug not sure y I didn鈥檛 check it yesterday . When looking up that code it seems to be a open circuit would this make sense?
 

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LML seems (IMO) notorious, for open circuits and ground issue(s)
 
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