DTC P0400 Cadillac
EGR System Performance
EGR System Performance
Description
DTC P0107, P0108, P0112, P0113, P0117, P0118, P0122, P0123, P0601, P0718 and P0724 not set, engine started, vehicle driven to a speed of over 14 mph at an engine speed of 500-900 rpm, BARO sensor more than 95 kPa, ECT sensor more than 81ºF, MAP sensor les
Cause and Solution
Base engine problem (e. g. , a severely restricted exhaust)
EGR vacuum hoses damaged, loose or routed incorrectly
EGR passages or intake passages clogged or restricted
Video Guide
Diagnostic Info
- DTC Code: P0400
- Brand: Cadillac