Anti-Gel shelf life?

I’ve used opened one-year-old Howes and Power Service antigel bottles without any issues, but that’s been at the start of winter when temps get down to 25. My last year’s opened bottles are the first to be used at the start of winter. I wouldn’t use them if it’d be around 0 degrees. They probably start losing their effectiveness once the bottle seal is broken.

 

I just had the same thing happen, after my OH, first check valve on head was bad. Then filter w/ only a few k miles plugged up. I had used a bottle of Howe’s, I’d had for over a year, bought from some Driver, who needed a few bucks. I wonder if that’s why? I had used killem before, filters never did plug up, I had changed them for the heck of it. I put a gallon of Lucas in the fuel, new filters, still sputtered a tiny bit, once or twice. Thinking it’s sucking air at the shutoff valves. I wonder if that Howe’s helped to plug filters, hard to say, something’s going on with my fuel supply.

 

There’s a long list of causes of why the antigel did not work. I haven’t drained my fuel/water separator as I’m supposed to. Maybe that’s why I have felt my truck engine drowning while trying to accelerate. I have felt this in the past, and never have found the cause. It comes and goes every few weeks. It doesn’t shut off my engine, and my engine recovers in a few seconds. Maybe water or semi-gelled diesel entered the fuel system.

 

Mine didn’t gel up it just plugged up. You could be sucking air between tank and fuel pump, I’m sure that’s my problem. If you’re seperator is clear, I think bubbles would show up, if sucking air from tank. If it’s got a leak between separator and fuel pump though, you can’t tell. I’ve got bubbles in fuel tanks, thought it was from injector cups. But that’s all new now. It’s not a big deal, probably been happening for a long time. Only noticed now, because otherwise it runs great. Just a little sputter a couple times. Maybe filters getting clogged again. The sputter has gotten real bad, was surprised when I changed them, and fixed problem. It’s a mystery, soon to be solved.

 

Sounds like Howes to me. Dump it in and watch everything else take a dump...

Fuel milage goes down, power/torque goes down. Frustration in a bottle. At least it doesn't always gel up... Most of the time.