X15 surging under load
01-09-2023, (Subject: X15 surging under load ) 
Post: #10
RE: X15 surging under load
Rawze, I emailed you the ecm data plate. I’ll check everything else out but according to the data plate on the valve cover, it is a factory 565/1850. Ecm code on the ecm matches that of the code on insite.


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01-09-2023, (Subject: X15 surging under load ) 
Post: #11
RE: X15 surging under load
Also not defending the person who tuned it. It’s not who I use and like I said in my original post, I’ve been told he’s a “less than ideal” tuner. Sell you a tune for however much money you have in your pocket is what I’ve been told. On the road for most of this week, I’ll pull apart the exhaust gas pressure sensor and clean everything out. Also need to see if the SCR was gutted as well. Thank you Rawze for taking a look at it for me


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01-09-2023, (Subject: X15 surging under load ) 
Post: #12
RE: X15 surging under load
(01-09-2023 )GeArHeArT Wrote:  Rawze, I emailed you the ecm data plate. I’ll check everything else out but according to the data plate on the valve cover, it is a factory 565/1850. Ecm code on the ecm matches that of the code on insite.

the engine ser# in the program shows. 80042008.

on quickserv, this is showing up as a X15, 450ST engine.

did someone put the wrong engine data info into the ecm?.


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01-09-2023, (Subject: X15 surging under load ) 
Post: #13
RE: X15 surging under load
I image someone probably loaded the wrong image back to the ecm


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01-20-2023, (Subject: X15 surging under load ) 
Post: #14
RE: X15 surging under load
Changed EGP and imap sensors. Blew shop air through both the stainless line and through the thermostat housing.to clear out any carbon. Truck ran fine for 2 days without a hiccup and now back to where we started. So I’ll pop the down pipe loose down below and take it for a spin to see if that cures anything


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01-20-2023, (Subject: X15 surging under load ) 
Post: #15
RE: X15 surging under load
Maybe it's the TPS or associated wiring.


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