So lately my emergency brake light and low fuel light have started to flash on and off totally randomly. We have been suffering wet weather but I think this is too weird to be just that. So I do not think the sensors are outputing the signal but is there anything else that would cause these lights to trip out?



There isn't a specific time these come on like when I look at it from the back seat while picking my nose as a seagull flys by, totally random and for undifined amounts of time.

These all run through the ecu i take it? Should I start there for a loose connection?

 

get the wiring diagram from hyundaitechinfo.com as well as the component locations, and follow the wires from one end to the other. You might have to set up a mirror or something or have a helper, to see if/when the lights come on.

 

Both turned out to be mechanical. The fuel level signal must be pooched, but the master cylinder was very low.

 

So where is the leak?

 

Leak? the brakes you mean? Botched a piston in the left rear, and apparently I have been grinding done a line with a wheel.

 

At least you know . . .