gas gage goes all the way pass full line even when not full on 2005 Hummer H2

gas gage goes pass full line and abs light comes on and air comes out of my air suspension

by in Fort Myers, FL on May 28, 2012
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1 answer
ANSWER by , May 28, 2012
Typically gas gauge problems are the result of a faulty fuel level sender in the tank, very common with GM vehicles. However, if the gas gauge stops working at THE SAME TIME the ABS light comes on, its possible that you may have a network (data bus) issue with the car. Your best bet is to have the engine control module (ECM) and ABS module scanned for fault codes and see if they are related or not. The fault codes can help narrow down the possibilities.