Question about 2004 Chevrolet TrailBlazer

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Get very low gas mileage (14.4 mpg) on a 2004 Chevrolet trailblazer. Has 140,000 miles currently. Just did a complete tuneup almost a year ago. Any suggestion as to get better gas mileage?

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Suggest you add lucas fuel injector cleaner that you just add to gas tank.your plug wires may also need replacement, they break down causing loss of spark, consider what brand you replaced them with last year, we're they cheap off brand? remember you get what you pay for when buying knock off imitation parts.suggest you also replace that old air filter too. hope this helps!!

Posted on Aug 22, 2010

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