Cm 2350 derate with spn 1209
09-06-2025, (Subject: Cm 2350 derate with spn 1209 ) 
Post: #2
RE: Cm 2350 derate with spn 1209
Check the wiring to the exhaust pressure sensor and also the metal feed tube and sensor block that connects the sensor to the exhaust manifold, they get plugged with carbon. What is that sensor reading in insite with the key on engine off?
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RE: Cm 2350 derate with spn 1209 - tree98 - 09-06-2025



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