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  1. blue def or kleen def - Diesel Place

    Dec 28, 2017 · put the blue def in my truck both times I filled it; noticed farm & fleet had a new brand called "kleen def". anybody ever use this, good results? assuming anything can be put …

  2. DEF brands & use - Diesel Place

    Nov 30, 2016 · 2016 truck.. always used whatever dealer put in, and the peak brand "blue def" since truck was new off the lot. farm and fleet had a different brand on sale, "kleen DEF". still …

  3. Different levels and brands of DEF - Diesel Place

    Nov 26, 2021 · I always recommend that you purchase your fuels and DEF at well-used stations like truckstops ( Loves, T/A, Pilot, etc) Where your chances of getting contaminated products …

  4. Are all brands of DEF identical chemically and... - Diesel Place

    Jun 25, 2012 · Dmax Dually, The shelf life of DEF is a function of ambient storage temperature. DEF will degrade over time depending on temperature and exposure to sun light. Expectations …

  5. Fuel Lubricity additive - Diesel Place

    Feb 24, 2020 · DEF is used in the exhaust system only. The newer Duramax engines are Ultra-low-sulfur diesel compliant and do not need the extra lubricity additives.

  6. Service Exhaust Fluid System/Reductant Pressure Low

    Feb 23, 2023 · Isn't the DEF injection inhibited in low temps though (until the DEF fluid, coolant and exhaust gases get up to temp)? I didn't think running the Regen was going to get rid of my …

  7. Brand of fuel and fuel additive - Diesel Place

    Jan 4, 2025 · Those additives like Howes, Power Service Diesel Kleen , Opti Lube Winter formula would benefit your fuel system unless your local area provides winter fuels with additives …

  8. DEF TANK HEATER PROBLEM - Diesel Place

    Mar 23, 2025 · A buddy of mine called me 3 weeks ago and told me he had just got a message on his dash to service his emissions system. He has a Banks I dash in his truck and I had him …

  9. #PIP5007: Exhaust Fluid Quality Poor Message Difficult...

    Jun 10, 2007 · The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition/Concern: A dealer may encounter a customer concern of an …

  10. Diesel Kleen/Power Service is horrible? - Diesel Place

    Aug 16, 2005 · Recent posts in the Stanadyne thread disparaged Power Service/Diesel Kleen as unfit for anything other than pouring into the used oil bin. I want to use a proper additive, and …