Pull the MAP sensor and clean the EGR crud - that rectangular black-plastic sensor is at the top-rear of the head adjacent the fuel filter, attached with a single hex-head bolt, four-wire connector - that other large-hex three-wire sensor back there is the Rail-Pressure Sensor, screwed into the rail, and another at the rear of the rail, the RP Solenoid - don't even mess with them.......................
96 Dodge 3500 CTD, unseemly unstock
If it's a Diesel thing, I do understand....
'05 CRD; INMOTION ST-II; EDGE Trail; Pricol Boost, EGT, Rail Press, Trans Temp; SEGR; Provent; Magnaflow;
2.5" Daystar f, OME r; Al's arms, Moogs; Ranchos; Rubicons, 2.55 Gy's; Suncoast T\C, Transgo
'06 Cummins lift pump module, Fuel Manager\Filter, Filterminder
Four in a row really makes it go