Coolant temp

[Pwrcummins]

If the thermostat was stuck open my coolant wouldn't be heating up. I replaced it a couple months ago for that issue. My dummy gauge wasn't heating up. Where is the eot sensor located?


Sent from my iPhone using Tapatalk

 

[Pwrcummins]

Also could the egr Valve be messing with fan ops?


Sent from my iPhone using Tapatalk

 

[Zmann]

that code says the hall effect sensor in the clutch isn't reporting
either a wire or internal issue is my guess

 

[Zmann]

It shows 14.2


Sent from my iPhone using Tapatalk

ambient means what was the outside air temp at the time the EOT and ECT were read this am ?

 

[Pwrcummins]

Oh. It was about 52* outside


Sent from my iPhone using Tapatalk

 

[Zmann]

the 2 sensors should be close to the outside air after a overnight sit

so the one sounds off to Me

 

[Pwrcummins]

Is that the fan clutch connector? I was trying to look for it. That code is a ghost code my mil light was never on.


Sent from my iPhone using Tapatalk

 

[Jeremyleggett07]

CEL doesn't have to come on for every code...only "hard" codes make it come on, "soft" codes don't...that's ur connector for fan but EOT sensor is near the filter housing

 

[Pwrcummins]

Ok. I'll get that changed out. As far as the fan clutch goes. Is there a way to test it to see if it's still good? And one more thing does the egr valve have anything to do with my fan?


Sent from my iPhone using Tapatalk

 

[Pwrcummins]

Doesn't touch 210 when idling. So there a a plus.


Sent from my iPhone using Tapatalk

 

[Zmann]

the EGR valve being unplugged can have a lack of cooling effect on some trucks due to fan cycling issues but that isn't what you have going on IMHO

 

[Pwrcummins]

Right it's def not my issue. Just curious. Fan clutch is bad. Just don't have the funds at the moment to get a new one


Sent from my iPhone using Tapatalk

 

[Zmann]

check the wiring from the connector to the clutch

the fan is controled via a signal from the PCM and then heats fluid in the viscous coupling to manipulate set fan speeds the hall effect sensor sends the rpms bac to the PCM

yours apparently isn't reporting so IDK what the PCM does fan clutch wise in this case ?

 

[Pwrcummins]

Am I supposed to hear the fan kick on? Cause if that's the case Iv never heard it so there's no telling how long it's been like this.


Sent from my iPhone using Tapatalk

 

[Zmann]

i don't hear mine either and i have a new one not cause my old one was bad but I got a good deal on a snow plow clutch

 

[Pwrcummins]

I have a shop willing to replace it for 360


Sent from my iPhone using Tapatalk

 

[Luke@MillerPerformance]

Ground the blue wire I believe off the fan clutch with truck running. Should go into lockup within a minute

 

[Pwrcummins]

So when they go out it's more times than not a wiring issue?


Sent from my iPhone using Tapatalk

 

[Zmann]

they had a chafe issue from the fan to harness on some units but most times it's the unit that fails not the wiring IMO

i bought mine for under 200 brand new and it took an hour to swap however I waited till i did a full PM with radiator / hoses / belt /water pump/tensioner CAC tube
to make the adventure worth the effort LOL

 

[Pwrcummins]

I may do a water pump upgrade.


Sent from my iPhone using Tapatalk