My clothes smell sour n matter what - Electrolux EW1000i Front Load Washer

Clothes Sour Smell Bad after Washing
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Gopakumar Gopalan Google

there is a product called washing machine cleaner that can resolve this issue. Use it monthly.

i had what sounds like a similar problem. i complained of our laundry smelling sour then finally like sour sewage and a flooded laundry room. i was told that when its not draining properly, it can create a siphon-effect and actually pull the dirty water back out of the drain lines-yuk! i hope this isnt true.
there was a baby sock stuck in the pump preventing it from draining properly. hope your problem can be remedied as easily.
as for the smelly clothes, i always add 1/2 cup white vinegar to each load. it does wonders for odors.

The odor is being transferred from your washing machine. The washer must be cleaned first or the clothing will be reinfected upon washing.
The problem area is always just above the normal waterline where suds and soiled water splash up and don't get rinsed out.

To clean your washer add 1 cap of smelly washer cleaner to a full load of laundry in a hot cycle. The added bulk of the laundry will raise the water level to include the "splash area". Intermittent pausing to soak is a good tip for more extreme problems.

Try tossing a tad of dry baking soda in with the clothes in may take a time or two but it would be better than tossing the dryer. If it smells like mildew also maybe try placing some charcoal inside withe door shut, charcoal draws mildew.

I used 2 quartz of Clorox bleach running a full load without clothes. After that the odor has gone for good. Try that.

Does it appear that the smell is in the cabinet rather than the drum? I'm guessing that bugs or mice are living in there. There are no components in the dryer case that would smell except for a slight electrical odor. Remove the case and look around! Look for droppings around the back.

Until you can find the filter (I'll investiate!) I suggest running it on hot hottest wash you can (empty) with just bleach. That at least should kill the bacteria that are causing the smell

Sears has tablets for front load washers that work great. I use one every month and it has helped the stinky washer smell and the bad smell in the clean clothes. It is called Affresh and it works better than any of the cleaners you can buy in the grocery stores.

Have you recently painted or finished any woodwork or floors? A gas dryer will smell like gas when the vapors from paint or finishes reacts with flame. It can smell like gasoline.