Zero throttle response *HEEELLP*

Discussion in 'Mazdaspeed 3 Troubleshooting' started by djhuckfin, Jun 23, 2018.

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  1. djhuckfin

    djhuckfin Greenie N00B Member

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    Hey guys I'm 1 step to getting back on the road. Been a wild 9 months. "Mechanic" suggests i need I need a ECU reprogram. She starts and runs, but when i press the gas, nothing...is this a dealer thing? Can't wait to drive her again.
     
    djhuckfin, via a mobile device, Jun 23, 2018
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  2. jsmith

    jsmith Silver Member

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    You are using a fully charged/known good battery? A dead/almost dead battery will cause this.
     
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  3. djhuckfin

    djhuckfin Greenie N00B Member

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    Thanks for the response bro. It sat, battery died, put in a fresh new one.
     
    djhuckfin, via a mobile device, Jun 23, 2018
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  4. jsmith

    jsmith Silver Member

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    Any codes popping up? Do you have a way to data log?
     
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  5. djhuckfin

    djhuckfin Greenie N00B Member

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    Only this one..
     

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    djhuckfin, via a mobile device, Jun 23, 2018
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  6. jsmith

    jsmith Silver Member

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  7. Solarsurge

    Solarsurge Gold Member

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    What took you off the road to begin with? Between that idle and the smoke coming out the exhaust, that looks like a possible bad head gasket. Do you smell coolant? I'd do a compression test. Where in VA are you? I might be able to help. I'm in Richmond.
     
  8. djhuckfin

    djhuckfin Greenie N00B Member

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    I hit a rock on the GW parkway. Car is currently in Hyattsville MD outside of D.C. it was 100% before that. It didn't run from Sept till early this month.
     

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  9. Solarsurge

    Solarsurge Gold Member

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    Jesus, dude. Your engine is crooked. That must have been some rock. If anything hit your engine that hard or the engine has been sitting for that long, there could be any number of things causing your issue. Basic trouble shooting:

    1. Disconnect battery.
    2. Look over intake/tip and make sure you have nothing loose/disconnected post MAF.
    3. Remove TMIC, BPV, and charge pipe going into the throttle body (you may also have to remove intake to get to it)
    4. Check Throttle body butterfly to make sure it opens and isn't stuck (poke it)
    5. Reconnect everything.
    6. Try to start it again.

    If the problem persists, it could be a bad Throttle Position Sensor, bad tank of gas, or problem with your engine. Also, I seriously hope you didn't just cold crank an engine that's been sitting for that long. All your oil is in the oil pan and your entire engine is dry. You need to prime the oil pump and get some oil pressure going before you turn it over. In the video you posted there's a pretty solid metal clank as soon as you turn the key. That's not a healthy sound.
    --- Double Post Merged, Jun 24, 2018 ---
    Oh, and check/clean MAF while you inspect your intake.
    --- Double Post Merged, Jun 24, 2018 ---
    Wow. After looking at the pics again, I just noticed what I thought was an oil pool is actually a giant hole in your oil pan. If that debris was in the pan when you took it off, and not collected after removal, that's baaaaaaad. Did you have the engine completely torn down, cleaned, and inspected for damage? If not, god knows what's in your internals. If so, check compression and if you have more than 10% variance between cylinders or less than 130 psi in any one, your block is likely FUBAR. If it's a new motor or was rebuilt, it might be a faulty head gasket or something may not have been installed properly.
     
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