I don't know if it's just me but I've progressively watched my mileage get worse as time goes by. I went from filling up once a week to three times a week and I've been driving the same amount. Is there anything that could be the problem? It's a 2002 V6.
Aside from the normal tune up stuff, you could possibly have a oxygen sensor that is failing. It will cause the engine to progressively run richer and richer...
Did you replace all of the O2 sensors, or just one? Then there is still the fuel filter and tune up. When was the last time you did a fuel system treatment?
The station your using cold be selling crap gas. Try a different brand and see what happens. Ronnie
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