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Thread: Mpg

  1. #1
    Registered Member

    2001 Mazda Protege LX 2.0

    Join Date
    Jul 2011
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    Arizona
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    16

    Mpg

    Hi all,

    Getting some cruddy mileage on this 03. 170k miles. Changed plugs and air filter, oil is changed. Car is running fine, gonna check the plugs when the car is here for me to look at it. Last weekend I could hear a brake sensor rubbing as my daughter pulled away. Brake drag? I read there was a service bulletin but I canít seem to find much on what the solution was to fix the issue. The O2 sensors are on my list of things to look at, but this is getting way worse gas mileage than the sedan I had. Like 165 miles and thereís 1/4 tank of gas left. Used to seeing that number at 300 miles with the tank at 1/4 full. Thoughts?

  2. #2
    Swollen Member Natey's Avatar
    Donated: $20

    Mazda

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    Jan 2003
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    Pleasure Point, California
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    6,420
    300 miles on a quarter tank? I think you might either be mistaken or someone put a gas tank out of an F250 in your car.

    Our gas tanks hold 14.5 gallons. Multiply that by...I dunno, lets say 25. the P5 originally got closer to 30, but at 170k lets knock off 4 or 5mpg.

    25 x 14.5 = 362 from a full tank.

    If I'm reading this wrong and you meant that you went through 3/4 and have 1/4 left:

    25mpg x 3.6ish gallons (.25 of 14.5) = You should have 90 or so miles of fuel left.
    NPOT (Norcal Protege Options Team)
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  3. #3
    The Diagram Dude pcb's Avatar

    2002 mazda protege 5

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    Jun 2011
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    ontario, canada
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    Here's a list of possible causes...

    The Diagram Dude

  4. #4
    Registered Member

    2001 Mazda Protege LX 2.0

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    Jul 2011
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    Arizona
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    No with a 1/4 tank remaining, sorry should have worded it better. When my sedan would get to 1/4 tank of fuel remaining, trip odometer would be around 300 or so miles.

  5. #5
    Registered Member

    2001 Mazda Protege LX 2.0

    Join Date
    Jul 2011
    Location
    Arizona
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    I could hear the brakes the other day when my daughter dropped me off at work. Thatís why I was curious about the service bulletin on the rears. Car runs great given the neglect from the owner before me, pretty sure the oxygen sensors are the originals so I may replace them. Plugs should be good, theyíre new, new air filter, new Pcv valve. Coolant levels are good.

  6. #6
    The Diagram Dude pcb's Avatar

    2002 mazda protege 5

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    Jun 2011
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    ontario, canada
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    Check and regrease your slider pins.
    Normally, we have to grease our brakes twice a year but apparently Sil Glide works great and lasts for a year or more.
    It's kind of expensive but worth the money.

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  7. #7
    The Diagram Dude pcb's Avatar

    2002 mazda protege 5

    Join Date
    Jun 2011
    Location
    ontario, canada
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    4,167
    Check and make sure your P-brake connection point on the rear calipers are pivoting when the P-brake handle is pulled and released.

    I had my P-brake cables seize and the rear brakes wouldn't release.

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