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P 122 and p1693

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So I am coming home and notice my egt's are higher than normal and she is lugging some so I change filters and not much help so I do the key thing and thats what I got. I know I have one somewhere in my nightmare of original eng parts :lmao:but why is the egt's higher than normal?Now I got to remember how to set apps :think: anybody got a handdy link?

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  • Owner

JL you know you're covered... APPS adjustment (Voltage) http://articles.mopar1973man.com/2nd-generation-24v-dodge-cummins/26-engine-systems/37-apps-sensor-voltage-adjustment APPS reset http://articles.mopar1973man.com/2nd-generation-24v-dodge-cummins/26-engine-systems/35-apps-sensor-replacement-procedure P0122 Error code http://articles.mopar1973man.com/2nd-generation-24v-dodge-cummins/59-obdii-error-codes/151-p0122-apps-sensor-signal-voltage-too-low

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I see you included APPS reset, you think it may help before I test the whole nine yarsd? I am thinking I will just swap out the apps and see if that works.

Not sure how apps impacts egt .... Even if throttle position is off the turbo should still spool almost same ..... Shrug

  • Author

I agree, check this out today I was taking it to my shop, when I turn on AC and let out on clutch eng dies. Like I said it has a lugging affect. The turbo has about 80k on a rebuild and it checks out ok best I know what to check for. No end play to speak of I mean it has some play but not rubbing houseing, spins real free, spin with your finger and it spins for a little bit. Checked all boost boots, they were replaced about two maybe three years ago, there all on nice and tight.No controller on it anymore just about stock. :shrug:

  • Owner

I agree, check this out today I was taking it to my shop, when I turn on AC and let out on clutch eng dies. Like I said it has a lugging affect. The turbo has about 80k on a rebuild and it checks out ok best I know what to check for. No end play to speak of I mean it has some play but not rubbing houseing, spins real free, spin with your finger and it spins for a little bit. Checked all boost boots, they were replaced about two maybe three years ago, there all on nice and tight. No controller on it anymore just about stock. :shrug:

I doubt the turbo is the cause since at idle the engine really doesn't need it... But the fact you turn on the A/C and let out the clutch and it dies is not good. I wonder how much load the A/C is putting on the engine? :think:
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I have not made time to work on it today but got to thinking AC and maybe another bearing like the fan, might be something to look into.I just hate like h--- to think my 14 month old Blue Chip vp might not like me anymore. :lmao:

  • Author

Ok, your not going to belive this. So I changed the filters, added two stroke (Forgot to add at fuel up) reset apps and running just fine. I still think there is a under lying problem that is not showing up.Egts back to normal, boost normal. :think:

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