My2010Ram
Junior Member
Hi everyone, I have 2010 Ram 1500 quad cab with the 5.7. I bought it last December with 86k miles on it and it’s been great. I’ve noticed in cooler weather my highway driving temp can be as low as 175 degrees and then when I sit long enough it can climb up to 203 (never seen it higher than that). I usually let my truck warm up for 5-10 min in cold weather but if I don’t and pretty much getting going shortly after starting the truck I’ll get a CEL after a few miles that says that my engine operating temp is to low. It seems like even in warm weather the truck takes forever to get up to operating temp. I just bought a new stock thermostat because I’m assuming my temp numbers are so far apart my thermostat has got to be stuck open. My real questions is… should I consider a thermostat to keep the engine cooler like around 185-190? I don’t mind that my engine running a little cooler but I want the temp to stay more regulated and not vary as much as it has been. Also wondering if there will be really any benefit at all to running this engine cooler than what dodge recommends. I don’t pull a whole lot with it and it’s basically just a daily driver.