Cummins Diesel Forum banner

engine temp varying

639 views 1 reply 2 participants last post by  Derk 
#1 ·
Ive noticed in the last few weeks my engine temp is varying (gauge) when truck is at normal running temp, the gauge moves up to 200 or a little higher then cools back down to normal , then this cycle repeats a lot almost non stop . any one seen this , is it my thermostat

Thanks , Scott
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top