Jonny Energy offers the only 100% Made In America e85 conversion on the market.  Our E85 conversion is second to none when it comes to quality and customer service.Don't be fooled by the many companies now appearing offering a cheaper copy of our e85 conversions.FFI and Jonny Energy has spent many years and countless hours improving our flex fuel conversion kitsThis keeps us on top of the E85 conversion market. If you are going to burn a 100% American made fuel then why not use a flex fuel conversion that is also American made.

Jonny Energy
E85 Kit Adjustment Instructions

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Set the potentiometer to the middle position or "6" .  Position "6" works in 90% of vehicles.  Now your
vehicle is ready to be used with E85, gas, or any combination of the 2 fuels.

If a check engine light comes on follow these trouble-shooting solutions and adjustments....
You can obtain the code for a check engine light by going to Auto Zone and asking for the code or
purchasing an OBD II code reader ('96 or newer).

Common codes...  
P0300/P0301-0312... Represents a misfire condition.  When these codes occur it is usually a
connector not plugged in properly or the male connector was not assembled properly.  Please
check all connections.

P0171/P0174... Represents a lean condition. This means there is not enough fuel, potentiometer
set too low.  When these codes occur adjust the potentiometer slightly clockwise.  Ex.. from "5" to
"6".  On vehicles older than 1998 check for a dirty fuel filter. After approx 600 miles if driving on E85
debris left from gasoline can break lose from the fuel tank and clog the fuel filter.

P0172/P0175... Represents a rich condition.  This means there is too much fuel, potentiometer set
too high.  When these codes occur adjust the potentiometer slightly counter-clockwise.  Ex.. from "5"
to "4".



Our rule at Jonny Energy is to automatically assume that any check engine light after
installation is directly related to our e85 conversion kit.  These issues can easily be
solved over the telephone at 888-405-2680 or this troubleshooting guide.
Call Us Toll Free 888-405-2680
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Made in America E85 Conversion Flex Fuel kits