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PSA: I saw a bunch of guys at the truck stop in Bakersfield just dumping DEF straight from the jug into a dirty filler neck.
The crud and rust flakes falling in from that crusty old cap are gonna wreck the injector pump way faster than any off-brand fluid ever could, so has anyone found a good funnel with a fine mesh screen they actually trust?
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perez.cole1mo ago
What about those cheap paint strainer funnels from the hardware store? I used one for my DEF and it catches all the big junk.
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Yeah, the cheap paint strainer funnels work perfect. I grabbed one from Lowe's for like five bucks and it catches everything - dirt, rust flakes, all that junk. Used it for a year now on my Pete and never had a clog or any injector problems. Just rinse it out with distilled water after each use and it's good to go.
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