I'm driving thru Minnesota on my way home to Ohio. I used about 1/2 to 3/4 of a tank of gas and my service engine light came on. I drive till close to empty and stop to fill up my tank. After filling up my car wouldn't start. My boy friend pushes the gas pedal to the floor as he turns the key and it finally starts. This is a 2007 Nissan Sentra, 4 cylinder.
First start by having the codes read and we can go from there.
SOURCE: gas gage
It could be the fuel level sending unit is stuck or going out. It's in the gas tank.
SOURCE: doesnt always start, but lights, radio, AC/heat does come on.
First place to check is the battery. Old ones can push your lights , radio, etc, but the starter is the real load. . Can verify this by using jumper cables to a running vehicle and watch your machine fire right up! The reason mornings are the worst, is the battery has had the most time to discharge, and it is probably cooler outside.
SOURCE: Gas Gauge not reading correctly
The most likely culprit is the sending unit in the tank. They are relatively easy to change, as long as you don't have much fuel in the tank. It's a mechanical unit that has a float that raises and lowers with the fuel level, however with age, the floats can develop leaks and no longer float, of the electronic portion of the unit can go bad and not register the proper level. They are replaced and an entire unit, so it doesn't matter which happened, you will need to change the fuel tank sending unit.
SOURCE: 2001, Duramax Deisel 6.6 won't "restart"
fuel pump is obviouslynot working !
check it & its wiring!!!!!
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