2011 Ford E250 CNG (Dedicated) Fuel Gauge Erratic

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  • Thread starterAvechucho
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Avechucho
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Here's some info on this van that runs exclusively on compressed natural gas (CNG).

It took me forever to find info, wiring diagrams, and some basic literature on aftermarket installs and conversions.

If you see a dancing gas needle on your instrument cluster, there's a good chance the "fuel control module" is bad. This module converts the digital signal from the CNG regulator to an analog signal for the instrument cluster to interpret.

In my experience, there are two options: either the pressure sensor itself (attached to the regulator) or the module. The manufacturing company, BAF, was acquired by another company and then Westport, making it difficult to track down documentation or technical support from the start. However, I do have some photos and info I'd like to share here. This also applies to Ford F150 and F250 trucks.
 
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