egt temps too high?? - Ford Powerstroke Diesel Forum
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Old 06-07-2013, 07:59 PM
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egt temps too high??

i have an 02 f350 with an ats compressor housing and x wheel. 4" straight pipe exhaust. a superchips tuner. s&b intake and my waist gate vacc line disconected. i have the tuner set on gas mileage setting and have tried it on the performance setting also with the same results. if i give it mor then half throttle the egt temp goes over 1250 and the alarm on my edge monitor goes off.. how long is it ok for it to be that high? getting on the freeway, passing cars, going up steepgrades ect? dont rember it doing it so much when i 1st got the tuner. seems like it gets hot easier and easier with time. it is hotter outside now but not that much. any problems i should be worried about? thanks J
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Old 06-07-2013, 11:01 PM
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You can sustain 1250 all day long. Anything over you can sustain for short periods, like the example you used of passing a car. I would ditch the super chips and get some custom tunes.


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Old 06-08-2013, 01:27 AM
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Mine sees 1600 at least once a week, just don't hold it over 1250 for a long time. A race or passing is fine tho.
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Old 06-08-2013, 10:08 AM
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when i used my superchips 1705 it didnt get hot really quick.
you might have a boost leak somewhere.
i would check intercooler boots, intake manifold boots and up pipes and see if something leaking.

i have a php chip now.i can floor it and not hit 1250 egts until probably 70-75 atleast.
what boost numbers are you seeing?
if your low on power heck even the butterfly valve on the ebpv could be partially shut.
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Old 06-08-2013, 03:05 PM
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it had a leak where the exhaust manifold went up to the turbo and i just got it out of the shop ( $330 ) and it didnt help like i thought it mite. my boost get up to about 22lbs max with the chip up all the way. it was more before i put the new housing and x wheel in. J
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Old 06-08-2013, 03:18 PM
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you lose boost when you change to the x wheel.
i was having bad mileage lower power and my causes were a bad ipr.
when i changed the ipr i noticed 3 more lbs of boost and it accelerated easier. it
oil pressure just wasnt what it should of been.
they re like 80 bucks for a rebuilt one from dieselsite.
also something thats overlooked is the FPR, or fuel pressure regulator. dieselorings states that it should be changed every 100k miles but it hardly ever is. when i changed this i got better fuel pressure and smoother idling. the brass poppet was worn out and the oring was toast/

thse are just some simple things i had issues with i hope this helps.

on a side note my egts actually went down with the new ipr.
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Old 06-08-2013, 04:11 PM
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yeah i got the x wheel and the compressor housing so i wouldnt have turbo lag when i towed and it dropped the boost about 3lbs but i can barley get into the throttle now when towing cuz the temps go super high as soon as i hit a hill. almost easier to put it back to stock and lose all my power but not have it beeping at me all the time. what is an ipr? and can i install myself?? thanks J
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Old 06-08-2013, 04:13 PM
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btw my mileage is about 12mpg around town and can get up to 18mpg on the flat freeway at 55mph. i figured the 37's and 373 gears were to blame. J
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Old 06-08-2013, 04:29 PM
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Injection Pressure Regulator.
its on the hpop or high pressure oil pump.
you can change it yourself its actually super easy.
just need a deep 1" 1/8 socket to get it out.
i used a mac tools socket, i think snap on works too.

have you checked your intercooler boots?
you might have a torn one.
your mpg does not seems bad either.

did you have issues with egts before the compressor housing and x wheel?
if not maybe your inlet oring isnt seeted right or the manifold isnt hooked up good.
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Old 06-11-2013, 06:36 PM
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I checked all the intercooler boots and they looked ok. i didnt have my egt probe put in till i got the x wheel and housing all at the same time so im not sure of the temps before. but when i first got them all one i remember i could stand on it till about 70 untill its started beeping at 1250. today it hit 1450 just trying to pass a car. would a slipping trans cause it to heat up more? i can feel it slip when it shifts into 2nd when i stand on it but it gets to 1250 even when i dont feel it slip and it will hit over1250 in any gear with a mash of the throttle. thanks J
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