I just recently did my plugs and wires ngk plugs and Borg Warner wires after that my idle went from 750 800 to 1k I also noticed a small coolant leak last night noticed my idle was a little rough and lack of power and rough through the rpms I was able to add a full water bottle of water to the radiator and it seemed to help a little maybe it was just a placebo but can a coolant loss mess my idle and throttle up. I've heard that coolant passes through the tb but I'm not sure what to do

 

Hey there, i cant say for certain how much coolant needs to be missing for this to take place but here is something i was told: Links

https://www.yotatech.com/51508234-post2.html