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2019 Honda Accord 2.0T
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Discussion Starter · #1 ·
I wanted to bring this information to the accord forum from PRL it may concern you if you have their kit.

“It has recently been brought to our attention that some users running ethanol-based fuels with various Flex Fuel Sensor Kits on the market have been reporting about line deterioration issues. Concerned that these reportings may involve our kits, our Product Development Team immediately began looking into this. After reaching out to numerous customers and asking them to cut apart their lines for inspection, we have found that some lines have softened internally, or showed signs of deterioration, while others did not. This data was collected from kits spanning over the lifetime of our Flex Fuel Sensor Kit offerings (beginning in late 2018), using numerous hose batches.

Though our Flex Fuel Sensor Kits have always used Gates Barricade Fuel Injection hose, which exceeds all CARB, SAE, CAT and GTS certifications/specifications and is listed as “Multi-Fuel Compatible” (recommended for ethanol), we have been looking into sourcing an alternative since discovering these findings. Over the past week our engineers have reached out to numerous reputable manufacturers offering similar ethanol-compliant hoses. In our discussions we have found that some of these manufacturers have received reportings of similar issues with other popular hoses in recent months as well. This means that virtually any fuel system upgrade or kit utilizing a “rubber” hose, is susceptible to this type of behavior. We believe that this type of deterioration has been going on for years, but is only becoming more noticeable with Direct Injection vehicles (because of how the fuel system is routed/works) and enthusiasts diving deeper into their fuel system with upgrades.

We always recommend inspecting for any signs of leaking or component deterioration periodically for optimal safety and performance. Flex Fuel Sensor Kit hoses are to be treated as a “wear-and-tear” item, and may be subject to replacement over time. Our team is continuing to explore alternative fuel hose materials, such as PTFE/Teflon to offer as an upgrade in the future, most-likely mated to custom fittings. These line assemblies will be sold as an upgrade at an affordable price once we finalize our decision. We will be sure to email another notice and post updates on our website once we finalize this hose upgrade. If any customers are in need of a hose replacement at this time or before this is available, we ask that you please email our Customer Support team at [email protected] to purchase a replacement.”
 

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Thanks for sharing this! I also was concerned about this happening. Especially to OE soft lines and seals within the fuel system. I’ve been running E30 blend exclusively on my car since I bought the kit a little less than a year ago. Since E85 is available less than a mile away from home. I should def check my lines, if things look bad this kit has to go. Not only can the line deteriorate, but your fuel system can also get clogged from all the impurities introduced from the hose decaying. I was hoping this wasn’t the case since I’ve read that stock systems are “somewhat” more tolerant of ethanol blends now since fuel in the US has E10. This is real concerning..
 

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2019 2.0 EXL
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Wow, that's crazy! What about all the other vehicles out there that are just plain flex fuel (i.e. Not "performance flex fuel")?

I almost pulled the trigger on a kit awhile back, I had found a gas station selling E85 not far from me but the only reason I didn't (and haven't done much to my car lately) was because it's already super easy to light up my tires... lol (even with wider and softer/stickier tires than stock)
 
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