oleskool Posted January 1 Share Posted January 1 So I think I’ve tracked down my random cold start up idling issue. Just installed the REM into my truck. It had been idling for some time and I set it up to view the water temp. It was reading 246 which wasn’t correct but the truck was running great. Today I go to crank it up and it starts running horrible. I notice in the screen that water temp read -46 degrees. That’s pretty much impossible since it was 50 degrees outside. I am assuming an incorrect reading to the ECU will definitely cause my idle issue but any insight is greatly appreciated. On a side note I let the truck rest for a bit and tried it again. The temp was correct this time and fired right up. Quote Link to comment Share on other sites More sharing options...
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