Pull the back seat and check connections on tank. That is, if someone had cut an access hole. Otherwise, it’s drop the exhaust, rear cradle and heat shielding to drop the tank to get a look at the wiring. Probable a bad float resistor.
Cluster
I’m still getting familiar with my build quirks & troubles . I’ve noticed my vehicle seems to always read low fuel in the range display , Although no gas light is on & the tank could be full or midway .
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Your scanner will tell you what the fuel level is reading. If it is the same as the cluster you know you have a bad float or something to do with the wiring. If it reads correctly on the scanner it is the cluster.
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