Exhaust crackle and pop

Discussion in 'Mazdaspeed 3 General Discussion' started by mikedunnit, Dec 18, 2019.

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  1. mikedunnit

    mikedunnit Greenie Member

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    My Speed3 is a bit of a mystery machine. Im the 4th owner, and the guy I purchased it from has no idea what, if any engine and exhaust mods were done. He claims its all stock. After changing the oil and putting some fuel injector cleaner in the tank, I'm getting some crackle and pop when lifting of the throttle in 4th. Would that occur on a stock setup?


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    mikedunnit, via a mobile device, Dec 18, 2019
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  2. Raider

    Raider Administraider Administrator Platinum Member

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    If it started with just the cleaner, drive out the tank. Ideally, a hpfp upgrade and a, custom tune can get you a well running speed.
     
    Raider, via a mobile device, Dec 18, 2019
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  3. Db09ms3

    Db09ms3 Silver Member

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    Post pics and do a basic tune up for now.
     
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  4. mikedunnit

    mikedunnit Greenie Member

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    Bruh its a bucket right now lol.


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    mikedunnit, via a mobile device, Dec 18, 2019
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  5. mikedunnit

    mikedunnit Greenie Member

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    I have a parts list. Getting stuff together. Its running well engine-wise now. Putting new plugs in this weekend. Suspension is trash


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    mikedunnit, via a mobile device, Dec 18, 2019
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  6. Db09ms3

    Db09ms3 Silver Member

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    Never be a prude when it comes to car noodz.
     
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  7. mikedunnit

    mikedunnit Greenie Member

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    [​IMG][​IMG][​IMG]

    Here it is. In all its bucket glory. Also, if anyone has ANY info on what model/brand COI this is, it would be greatly appreciated!


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    mikedunnit, via a mobile device, Dec 18, 2019
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  8. Db09ms3

    Db09ms3 Silver Member

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    Perv. Don't know the brand but I don't like the way the MAF is situated. My old Mazdaspeed CAI kept that piece about here...
    upload_2019-12-18_14-46-1.png
     
  9. mikedunnit

    mikedunnit Greenie Member

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    It wont be there too much longer. Looking at short rams to replace this cai.


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    mikedunnit, via a mobile device, Dec 18, 2019
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  10. Raider

    Raider Administraider Administrator Platinum Member

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    Intake is a, CPE I think.
     
    Raider, via a mobile device, Dec 20, 2019
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  11. Db09ms3

    Db09ms3 Silver Member

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  12. mikedunnit

    mikedunnit Greenie Member

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    mikedunnit, via a mobile device, Dec 20, 2019
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  13. mikedunnit

    mikedunnit Greenie Member

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    [​IMG]


    Just changed the plugs. I'm assuming FoMoCo is Ford Motor Co. Replaced with the NGK 6510.


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    mikedunnit, via a mobile device, Dec 20, 2019
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  14. mangosmoothie

    mangosmoothie Silver Member

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    Post a pic of the downpipe. Back of the engine bay, passenger side. You'll see the O2 sticking out
     
    mangosmoothie, via a mobile device, Dec 21, 2019
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  15. mikedunnit

    mikedunnit Greenie Member

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    Will do as soon as I get a chance. I think one of the previous owners got all their mods from CP-E. Trying to figure this shit out without ripping the car apart is aggravating.


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    mikedunnit, via a mobile device, Dec 21, 2019
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  16. mikedunnit

    mikedunnit Greenie Member

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    [​IMG]

    I'm assuming its stock



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    mikedunnit, via a mobile device, Dec 26, 2019
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  17. Mauro_Penguin

    Mauro_Penguin Punk in Drublic. #BlackLivesMatter Motorhead Platinum Member

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    Yes it is stock, the heatshields are a dead give away.
     
    Mauro_Penguin, via a mobile device, Dec 26, 2019
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