Recent content by hatched91

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    Problems with surging and driveability - datalog attached

    AustinJ427- nice ride. I wish my mustang was half the build quality of the FiST/FoST/RS cars. mhyjek- thanks for the input. I agree that it is most likely a mechanical issue. The car has 60k mi on it now. Cleaning the injectors couldn't hurt...but I have a feeling that it is a different...
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    Problems with surging and driveability - datalog attached

    I went back to one of my logs where i could feel the hesitation...check out the below snapshot. You can see the STFT% are as much as 10%. From the very little i know so far, it seems like this is too much? It looks like the torque source is correlated to the STFT, and it looks like it is...
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    Problems with surging and driveability - datalog attached

    Always 93 octane and various stations..i haven't noticed any correlation between the issues and gas type
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    Problems with surging and driveability - datalog attached

    I pulled some logs tonight, while the car was running smoothly, pulled cleanly to redline, and the driveability issues were essentially gone. The below is a snapshot of a log taken at cruising, where hesitation is normally most prevalent This is a snapshot of a clean WOT pull. Not sure if it...
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    Problems with surging and driveability - datalog attached

    I think we were both a bit confused by "dyno tune". You are referring to having someone use a dyno as a troubleshooting tool, which makes sense to me....as opposed to actually tuning the car. I'm all for that, but I've been to the two local (St. Louis area) guys, and one suggested I go to the...
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    Problems with surging and driveability - datalog attached

    The issue I have with a dyno tune, is that the car should run reasonably smoothly from the factory. It may not have the absolute best power, but driveability shouldn't be an issue with a completely bone stock car....especially intermittent driveability issues. The other S550s I have driven do...
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    Problems with surging and driveability - datalog attached

    Nightride- I have taken it to 3 separate dealers....including one that has an SVT tech. Note- compression test has been performed (all check out ok), and smoke test was performed (no leaks found). Here's a little bit better section of the log: it appears that the throttle angle is moving a...
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    Problems with surging and driveability - datalog attached

    Update: I installed another throttle body, and the symptoms have persisted. I checked over the wiring as best i could (apart from removing cables/unraveling loom), wiggled all connections and haven't found anything yet. Check out the below snapshot. it seems like the throttle angle is...
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    Problems with surging and driveability - datalog attached

    Markmurfie -a massive thank you for taking the time to go through my log. I looked over the wiring and did not find any physical damage, or loose connections. I went ahead and purchased a throttle body (as they are low cost) so I will post up as soon as I get it installed.
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    Problems with surging and driveability - datalog attached

    Hello all, I have a bone stock 2015 GT, which I purchased used. Long story short, I have been to the dealership with this issue, and they are of the opinion that nothing is wrong (go figure). In order to find the issue, i have purchased a tuner in order to datalog and look at the files. I...
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    flywheel clicking replacable?

    so i've been told that the clicking sound coming from under the hood during acceleration, deceleration and idle is from the dual mass flywheel. question: can i replace the factory flywheel with a regular single mass flywheel or does it require the dual mass for spacing issues? if so, what...
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    newb to focus

    hey guys what's up? i just got a 03 focus svt with 40k miles. it's got a few problems and i'd like some input from some fellow svt guys with some experience turning wrenches. problems: loud whistling during acceleration(sounds like supercharger) clicking sound everytime i take off and push...

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