2006 CM870 high EGTs

[JBaird]

Since my last comments, I’ve pulled the resonator off and the truck it is running straight exhaust. Put new IMAP sensor, exhaust pressure sensor, and new intake temp sensor. Did an injector leakage test, it passed. Replaced both oil coolers and put a 215 deg oil thermostat in it. The result is the same, I still have EGTs that are not acceptable. I’m at a loss where to throw more money at. Last ditch effort I’ve got Dyno time scheduled Tuesday morning in Dallas. Hopefully the Dyno will show if it is tuning or something mechanical that has been overlooked. I’ve never had a truck put on a Dyno, so I don’t know what to expect. The good news is that I’ve found another truck, so if the Dyno doesn’t work out Tuesday, Wednesday I’ll purchase the other truck. I’d like to thank you guys that took the time to make suggestions.