PLATE-CLUTCH 3S1168 - Caterpillar

Use this procedure to troubleshoot a low exhaust temperature. Also, use this procedure if one of the following event codes is active or logged.
Table 1
J1939 Code and Description Comments
5686-1
Engine Exhaust Gas Port #1 Difference from Average Temperature : Low - most severe (3) The cylinder exhaust temperature is lower than the average temperature for all the cylinders. The amount of deviation has exceeded the trip point