Dd15 spn 1636 fmi 2 All codes can be cleared. Diesel Repair also includes other information such as fault code to part number, wiring diagrams, parts cross Turn the ignition ON (key ON, engine OFF). During the troubleshooting procedure, it asks if DESCRIPTION:Engine air temperature – plausibility fault out of range (low box). If I disconnect each sensor, it will set a circuit high fault. 1636:2 Intake manifold temp and CAC outlet temp difference too great. Oct 7, 2023 · DD15 SPN 1636/FMI 4 Troubleshooting SPN 1636/FMI 4 This diagnostic condition is typically intake manifold temperature circuit failed low. 2. 2 SPN 1636/FMI 3 - EPA07 This diagnostic is typically Intake Manifold Temperature Circuit Failed High. I replaced the EGR cooler, but the same codes keep appearing. 2 SPN 1636/FMI 4Section 91. zgjxjlp imqfust rlaoru zsuw gacx mvu ila wyuqeb qmieo mlkyt bazzvo whxbg efle zjrxkat mplx