2001 Chevrolet Silverado 1500 Q&A

2001 Chevrolet Silverado 1500 Question: why am i using so much fuel

i recenlty changed my spark plugs, spark plug wires, and the rotor cap but I am still using so much gas. every time I will have half a tank of gas go about 30 miles and I it is a quarter of a tank. -
Answer 1
Could be your fuel guage is inacturate,,,suggest you fill tank and drive till its near empty to refill and caculate your mileage on a compleate tank use. -
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I can hear the fuel injectors when I try and turn the car over but nothing else. I also tried to give my truck a jump and still nothing heard but the fuel injectors. Lights do come, radio, etc.