2007 Mazda3 2.3 liter might have problems

Asked by Mar 15, 2007 at 04:19 AM about the 2007 Mazda MAZDA3 s Grand Touring

Question type: Maintenance & Repair

I have a 2007 Mazda3 s GT with auto trans. Gas mileage is suppose to be 25city/31highway. I only get 21-22mpg driving half of the time on highway, the other half suburban driving. When I fill the car up, the computer tells me 345 miles remaining. Does something sound wrong here?  Even at 25 mpg in the city, my vehicle should show 363 miles remaining, and based off of 31 mpg, that is 450 miles.  Also, when changing gears from park to drive or reverse, I hear this grinding squeak.  I took it to the shop and they heard it too.  They put it up to check underneath, and they believe that it is the struts rubbing together when making a gear change while foot is on brake.  They said it is pretty much normal.  The sound that it makes when going from park to reverse or drive, is like when you slightly release your foot from wet brakes.  If anyone can help to tell me if the mpg is normal and the noise, I would greatly appreciate it.  Eric

1 Answer

22,320

Hi Eric. One thing you need to understand is that what the computer tells you is a snap shot in time based on the info it's pulling from the engine and assumed information. You can't really judge the mileage until you actual do the math on your fuel consumption. The rated mpg is based on steady consumption and as the saying goes your results will vary based on any number of factors including some that have nothing to do with the vehicle like your driving style, quality of gas, elevation and other environmental concerns. And only you know where your average driving falls between "city" and "highway". You aren't going to land on those mileage ratings exactly of course but if you aren't even the ball park you have a right to have the car checked. As for the squeaking, anything is possible but I'd have a hard time buying that when swallowing a new car payment. If that's the case a little WD-40 would relieve the squeak at least temporarily and they'd have to show me that that is indeed the case. Try another dealership on that one. Good luck!

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