Whirlpool washer Model-WTW7300DW1 Ser-C72570095 I can wash loads of blankets/comforters in hot water using bulky cycle and it will complete the cycle but when using mixed or delicate(almost any cycle really) it will not fully wash and I get the LF code. I use mostly cool/warm water to wash unless it's towels or blankets. I ran the delicate cycle the other day and it left detergent all over the clothes. I even tried washing using the bulky cycle but not using hot water and it would not complete the wash. What could this be?

The water inlet valve needs to be replaced the cold side of the valve is bad. The valve you need for that model can be ordered at the link below.

https://prismparts.com/products/whirlpool-washer-water-inlet-valve-assembly-pp4459236?_pos=2&_sid=7d3ff082d&_ss=r