MAZDA 3 2006 (UK) - poor acceleration then takes off at 3250 revs












3















I have a 2006 Petrol Mazda 3 1.6, with 74k on the clock.



I have a problem where the car is really jumpy with poor acceleration when it is accelerating from 0 up to 3250 revs, it feels like it is misfiring. When it gets to 3250 it's like a turbo kicks in and is fine (it doesn't have a turbo).



I have had an analyser on it and there are no error messages.



What do you think it might be...










share|improve this question




















  • 2





    Possibly an air leak allowing unmetered air into the engine.

    – HandyHowie
    Mar 28 at 14:37
















3















I have a 2006 Petrol Mazda 3 1.6, with 74k on the clock.



I have a problem where the car is really jumpy with poor acceleration when it is accelerating from 0 up to 3250 revs, it feels like it is misfiring. When it gets to 3250 it's like a turbo kicks in and is fine (it doesn't have a turbo).



I have had an analyser on it and there are no error messages.



What do you think it might be...










share|improve this question




















  • 2





    Possibly an air leak allowing unmetered air into the engine.

    – HandyHowie
    Mar 28 at 14:37














3












3








3








I have a 2006 Petrol Mazda 3 1.6, with 74k on the clock.



I have a problem where the car is really jumpy with poor acceleration when it is accelerating from 0 up to 3250 revs, it feels like it is misfiring. When it gets to 3250 it's like a turbo kicks in and is fine (it doesn't have a turbo).



I have had an analyser on it and there are no error messages.



What do you think it might be...










share|improve this question
















I have a 2006 Petrol Mazda 3 1.6, with 74k on the clock.



I have a problem where the car is really jumpy with poor acceleration when it is accelerating from 0 up to 3250 revs, it feels like it is misfiring. When it gets to 3250 it's like a turbo kicks in and is fine (it doesn't have a turbo).



I have had an analyser on it and there are no error messages.



What do you think it might be...







mazda gasoline misfire acceleration mazda-3






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Mar 28 at 16:53









Pᴀᴜʟsᴛᴇʀ2

112k19175375




112k19175375










asked Mar 28 at 14:08









The OrangeGoblinThe OrangeGoblin

1163




1163








  • 2





    Possibly an air leak allowing unmetered air into the engine.

    – HandyHowie
    Mar 28 at 14:37














  • 2





    Possibly an air leak allowing unmetered air into the engine.

    – HandyHowie
    Mar 28 at 14:37








2




2





Possibly an air leak allowing unmetered air into the engine.

– HandyHowie
Mar 28 at 14:37





Possibly an air leak allowing unmetered air into the engine.

– HandyHowie
Mar 28 at 14:37










2 Answers
2






active

oldest

votes


















7














My gut says it's likely to related to either a dodgy throttle position sensor or a faulty air mass meter. Whilst it is reporting no errors, it's worth doing diagnosis such as resetting the throttle position (sorry, I'm not sure how this is done on this car) and checking things like coolant temperatures reported by the ECU against guestimated values.



If it were my car, the first thing I'd do would be disconnect the battery overnight in the hope that this would wipe out any ECU learned values and force the car to re-calibrate itself.






share|improve this answer
























  • How long does the re-calibration take in the morning? Can OP start driving as soon as they re-attach the battery cables and start up their car?

    – MonkeyZeus
    Mar 28 at 19:17






  • 1





    Absolutely, should be able to reconnect battery, start vehicle and drive straight away.

    – Steve Matthews
    Mar 28 at 19:18











  • Sorry if it seemed like a silly question. I was personally curious about any required wait time. I would hate to hear OP report back that they blew their engine because something wasn't given enough time to re-calibrate.

    – MonkeyZeus
    Mar 28 at 19:20






  • 1





    On startup the car ought to go to perform a throttle calibration and then default to a manufacturer programmed set of parameters.

    – Steve Matthews
    Mar 28 at 19:26



















3














Remove the mass air sensor housing -- usually directly downwind from the air cleaner. Look inside and try to find the tiny insect body or other debris that has lodged itself between the two wires of the sensor. Do not use chemical cleaning sprays. You might try canned air or even a vacuum. Replace the air cleaner while you're at it since it likely caused this failure. Put everything back together, and go for a test run. This is a pretty common problem, and I've even experienced it personally.






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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    7














    My gut says it's likely to related to either a dodgy throttle position sensor or a faulty air mass meter. Whilst it is reporting no errors, it's worth doing diagnosis such as resetting the throttle position (sorry, I'm not sure how this is done on this car) and checking things like coolant temperatures reported by the ECU against guestimated values.



    If it were my car, the first thing I'd do would be disconnect the battery overnight in the hope that this would wipe out any ECU learned values and force the car to re-calibrate itself.






    share|improve this answer
























    • How long does the re-calibration take in the morning? Can OP start driving as soon as they re-attach the battery cables and start up their car?

      – MonkeyZeus
      Mar 28 at 19:17






    • 1





      Absolutely, should be able to reconnect battery, start vehicle and drive straight away.

      – Steve Matthews
      Mar 28 at 19:18











    • Sorry if it seemed like a silly question. I was personally curious about any required wait time. I would hate to hear OP report back that they blew their engine because something wasn't given enough time to re-calibrate.

      – MonkeyZeus
      Mar 28 at 19:20






    • 1





      On startup the car ought to go to perform a throttle calibration and then default to a manufacturer programmed set of parameters.

      – Steve Matthews
      Mar 28 at 19:26
















    7














    My gut says it's likely to related to either a dodgy throttle position sensor or a faulty air mass meter. Whilst it is reporting no errors, it's worth doing diagnosis such as resetting the throttle position (sorry, I'm not sure how this is done on this car) and checking things like coolant temperatures reported by the ECU against guestimated values.



    If it were my car, the first thing I'd do would be disconnect the battery overnight in the hope that this would wipe out any ECU learned values and force the car to re-calibrate itself.






    share|improve this answer
























    • How long does the re-calibration take in the morning? Can OP start driving as soon as they re-attach the battery cables and start up their car?

      – MonkeyZeus
      Mar 28 at 19:17






    • 1





      Absolutely, should be able to reconnect battery, start vehicle and drive straight away.

      – Steve Matthews
      Mar 28 at 19:18











    • Sorry if it seemed like a silly question. I was personally curious about any required wait time. I would hate to hear OP report back that they blew their engine because something wasn't given enough time to re-calibrate.

      – MonkeyZeus
      Mar 28 at 19:20






    • 1





      On startup the car ought to go to perform a throttle calibration and then default to a manufacturer programmed set of parameters.

      – Steve Matthews
      Mar 28 at 19:26














    7












    7








    7







    My gut says it's likely to related to either a dodgy throttle position sensor or a faulty air mass meter. Whilst it is reporting no errors, it's worth doing diagnosis such as resetting the throttle position (sorry, I'm not sure how this is done on this car) and checking things like coolant temperatures reported by the ECU against guestimated values.



    If it were my car, the first thing I'd do would be disconnect the battery overnight in the hope that this would wipe out any ECU learned values and force the car to re-calibrate itself.






    share|improve this answer













    My gut says it's likely to related to either a dodgy throttle position sensor or a faulty air mass meter. Whilst it is reporting no errors, it's worth doing diagnosis such as resetting the throttle position (sorry, I'm not sure how this is done on this car) and checking things like coolant temperatures reported by the ECU against guestimated values.



    If it were my car, the first thing I'd do would be disconnect the battery overnight in the hope that this would wipe out any ECU learned values and force the car to re-calibrate itself.







    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered Mar 28 at 14:18









    Steve MatthewsSteve Matthews

    20.4k23073




    20.4k23073













    • How long does the re-calibration take in the morning? Can OP start driving as soon as they re-attach the battery cables and start up their car?

      – MonkeyZeus
      Mar 28 at 19:17






    • 1





      Absolutely, should be able to reconnect battery, start vehicle and drive straight away.

      – Steve Matthews
      Mar 28 at 19:18











    • Sorry if it seemed like a silly question. I was personally curious about any required wait time. I would hate to hear OP report back that they blew their engine because something wasn't given enough time to re-calibrate.

      – MonkeyZeus
      Mar 28 at 19:20






    • 1





      On startup the car ought to go to perform a throttle calibration and then default to a manufacturer programmed set of parameters.

      – Steve Matthews
      Mar 28 at 19:26



















    • How long does the re-calibration take in the morning? Can OP start driving as soon as they re-attach the battery cables and start up their car?

      – MonkeyZeus
      Mar 28 at 19:17






    • 1





      Absolutely, should be able to reconnect battery, start vehicle and drive straight away.

      – Steve Matthews
      Mar 28 at 19:18











    • Sorry if it seemed like a silly question. I was personally curious about any required wait time. I would hate to hear OP report back that they blew their engine because something wasn't given enough time to re-calibrate.

      – MonkeyZeus
      Mar 28 at 19:20






    • 1





      On startup the car ought to go to perform a throttle calibration and then default to a manufacturer programmed set of parameters.

      – Steve Matthews
      Mar 28 at 19:26

















    How long does the re-calibration take in the morning? Can OP start driving as soon as they re-attach the battery cables and start up their car?

    – MonkeyZeus
    Mar 28 at 19:17





    How long does the re-calibration take in the morning? Can OP start driving as soon as they re-attach the battery cables and start up their car?

    – MonkeyZeus
    Mar 28 at 19:17




    1




    1





    Absolutely, should be able to reconnect battery, start vehicle and drive straight away.

    – Steve Matthews
    Mar 28 at 19:18





    Absolutely, should be able to reconnect battery, start vehicle and drive straight away.

    – Steve Matthews
    Mar 28 at 19:18













    Sorry if it seemed like a silly question. I was personally curious about any required wait time. I would hate to hear OP report back that they blew their engine because something wasn't given enough time to re-calibrate.

    – MonkeyZeus
    Mar 28 at 19:20





    Sorry if it seemed like a silly question. I was personally curious about any required wait time. I would hate to hear OP report back that they blew their engine because something wasn't given enough time to re-calibrate.

    – MonkeyZeus
    Mar 28 at 19:20




    1




    1





    On startup the car ought to go to perform a throttle calibration and then default to a manufacturer programmed set of parameters.

    – Steve Matthews
    Mar 28 at 19:26





    On startup the car ought to go to perform a throttle calibration and then default to a manufacturer programmed set of parameters.

    – Steve Matthews
    Mar 28 at 19:26











    3














    Remove the mass air sensor housing -- usually directly downwind from the air cleaner. Look inside and try to find the tiny insect body or other debris that has lodged itself between the two wires of the sensor. Do not use chemical cleaning sprays. You might try canned air or even a vacuum. Replace the air cleaner while you're at it since it likely caused this failure. Put everything back together, and go for a test run. This is a pretty common problem, and I've even experienced it personally.






    share|improve this answer




























      3














      Remove the mass air sensor housing -- usually directly downwind from the air cleaner. Look inside and try to find the tiny insect body or other debris that has lodged itself between the two wires of the sensor. Do not use chemical cleaning sprays. You might try canned air or even a vacuum. Replace the air cleaner while you're at it since it likely caused this failure. Put everything back together, and go for a test run. This is a pretty common problem, and I've even experienced it personally.






      share|improve this answer


























        3












        3








        3







        Remove the mass air sensor housing -- usually directly downwind from the air cleaner. Look inside and try to find the tiny insect body or other debris that has lodged itself between the two wires of the sensor. Do not use chemical cleaning sprays. You might try canned air or even a vacuum. Replace the air cleaner while you're at it since it likely caused this failure. Put everything back together, and go for a test run. This is a pretty common problem, and I've even experienced it personally.






        share|improve this answer













        Remove the mass air sensor housing -- usually directly downwind from the air cleaner. Look inside and try to find the tiny insect body or other debris that has lodged itself between the two wires of the sensor. Do not use chemical cleaning sprays. You might try canned air or even a vacuum. Replace the air cleaner while you're at it since it likely caused this failure. Put everything back together, and go for a test run. This is a pretty common problem, and I've even experienced it personally.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Mar 28 at 17:16









        R HoughtonR Houghton

        312




        312






























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