Sensor Locations

Diesel Sensor Location Guides

Detailed location guides, connector pinouts, wiring diagrams, and test procedures for every major diesel sensor.

MAP Sensor (Boost Pressure)

Location, connector pinout, test procedure, and related fault codes for the intake manifold pressure sensor

Location, connector pinout, test procedure, and related fault codes for the intake air temperature sensor

Location, connector pinout, and test procedures for DPF inlet, DPF outlet, DOC outlet, and SCR inlet/outlet temperature sensors

Location, connector pinout, test procedure, and replacement guide for upstream and downstream NOx sensors

Location, hose connections, test procedure, and related fault codes for the DPF delta-P sensor

Location, connector pinout, test procedure, and related fault codes for the high-pressure fuel rail sensor

Location, connector pinout, and test procedures for EGR mass flow and EGR temperature sensors

Location, air gap specs, test procedure, and related fault codes for crankshaft and camshaft position sensors

Location, connector pinout, test procedure, and related fault codes for the turbocharger boost pressure sensor

Location, connector pinout, test procedure, and related fault codes for the turbocharger shaft speed sensor

Location, connector pinout, test procedure, and related fault codes for the engine oil pressure sensor

Location, connector pinout, test procedure, and related fault codes for the engine coolant temperature sensor

Location, connector pinout, test procedure, and related fault codes for the DEF tank level and temperature sensor

The AI Diagnostic Engine guides you through sensor testing step by step — with live data interpretation and OEM specs.