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Had a debate with a fleet manager about DEF quality standards

He insisted the generic stuff from the truck stop is fine for his 50 rigs, but after seeing injector issues in three of them last month, I'm not convinced. Anyone else seen problems tied to cheaper DEF?

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2 Comments

luna756mo ago

So you're seeing injector issues and still think the cheap stuff is fine? I've seen the same thing happen with off-brand DEF causing sensor problems and clogged filters. That bargain jug might not meet the right purity specs, and even a little contamination can mess up the SCR system. Saving a few bucks on fluid now can lead to a huge repair bill later. It's just not worth the risk for the whole fleet.

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dylanh976mo ago

Cheap DEF costs more in the end.

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