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Discussion Starter · #1 ·
Hello everybody,

I am having a problem with my 2004 Nissan Xterra. I have a 4 cylinder engine. My gas mileage went from ok to terrible. Now, I know you are going to say its a characteristic of the car but its BAD! I don't expect to be getting the gas mileage of a Toyota Prius but c'mon. I changed my spark plugs and distributor cap about 1000 miles ago and just changed my oxygen sensor, no luck. I recently got new shocks and tires, and they are the same tires I had before. After that my gas mileage was the same but now, about 6 months later, my gas mileage suddenly decreased. I put 20 dollars in yesterday and that was at 3.67 a gallon, that's 5.4 gallons. I traveled about 23 miles today and I'm back on E. there is no hole in my gas tank either. My air filter is clean, oil and filter are about 700 miles old. Any ideas about what it could be?
 

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Discussion Starter · #4 ·
It almost seems like I can watch the fuel gauge drop down slowly as I drive. Everything seems to be running normally.
 
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