so im having trouble with my car, its a 1993 plymouth sundance, 2.2.

What is your question?

this car is not a acclaim or a2.5 its a plymouth sundance and a 2.2 i hooked a scanner to my car and it said DTC: 17 1: coolant system temperature remains below normal(cars 1985-97) (trucks/vans) 1987-97)(jeeps1993-97) 2. knock sensor circuit problem (1985-86 turbo vehicles only) 1: so what should i do for coolant system? and 2: what should i do about my knock sensor? does my car even have a knock sensor? any help would be great. thank you.