2006 CM870 high EGTs

[Rawze]

(09-17-2023 )Peashooter67 Wrote:  ...
Also look at your intake pressure sensor and exhaust back pressure sensor as both should also be real close on a stone cold motor.
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Actually, engine off and key-switch on, on a lot of cummins engine models, the intake manifold pressure sensor reads zero for "no boost" .. and the exhaust pressure sensor reads close to atmosphere pressure at the altitude your are at. These are not the same.