Riffraff Diesel Technical Knowledge Center
7.3L Powerstroke ICP Sensor: How It Works, Failure Symptoms, Codes, and Diagnosis
Posted by Adam Blattenberg on Aug 26th 2026
The ICP sensor is one of the more important sensors on a 7.3L Powerstroke, and also one of the easier ones to diagnose.
ICP stands for Injection Control Pressure. The sensor is threaded into the high-
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