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Posted by BurbGuy (98.173.58.2) on 08:57:32 07/09/10
In Reply to: Strange issues 2002 Suburban K2500 posted by drfife
Commenting on fuel gauge/message only ...
Some fuel system related DTCs will cause the gauge to read empty and the Low Fuel message to be set. For example, P1172 will do this.
If there is a way you could get ahold of a scan tool, you could check for DTCs, and you could also look at the individual fuel level sensors (one for each of the front/back tanks). This might help understand the problem.
Did all of these problems begin at the same time?
: On those long trips the fuel gauge will stay at the same reading until the ignition is turned off and back on. On a couple of occasions the fuel gauge registers empty and the low fuel light come on with ¼ to ½ tank of gas in the tank. The ABS and Brake dash lights occasionally illuminate and usually stay on until the ignition is turned off (even on short trips).
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