2004 GMC Sierra 1500 Q&A

2004 GMC Sierra 1500 Question: My fuel guage constantly reads low fuel even when the tank is full, i put a new fuel

I thought it might be the fuel sending unit itself but it wasn't can you help?? -
Answer 1
Faulty wire(s) from tank sender /ground or instrument panel. Scanner can sweep guages to check if all are working. -
Answer 2
yes have a sweep test on all gauges -