Why is my Honda getting horrible fuel mileage?
My '97 Honda Civic LX has always gotten great fuel economy. But here recently, I've noticed it hasn't been so great. So I decided to drive perfectly normal to test it. After I was completely out of gas, I put in 1.75 gallons of gas. I reset the trip odometer and went 15 miles. After that, I was almost out of gas because it was difficult to start. It has new plugs, wires, distributor cap and rotor button and does not hesitate or misfire at all. She runs beautifully but gets such horrible mileage now. Any idea why?
When was the oil last checked/changed? If the engine is good, look at rolling resistance - brakes rubbing etc. Checkout the transmission, too, especially if it's an automatic
Change then air filter and pcv valve have all oils changed install sn in all that can be done how many miles you didn't say 97 60 to 100,000 have fuel system checked also what is your avg milage also change the gas you use to another brand, are tire preeure correct
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