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Old 11-10-2014, 04:22 PM   #1
mike the snake
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Join Date: Jul 2013
Drives: 2013 BRZ
Location: Norcal
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Weird hot start issue

I'm running the FB turbo kit, tuned with the Element Tuning Hydra standalone EMS.

Cold starts are consistent. Car doesn't jump to life, usually sputters a little, sometimes it takes 2 tries, but it always fires right up.

When the car is hot, usually, it fires right up, no issues. Occasionally though, it will long-crank and not fire.

I'll try starting 3 or 4 times with it cranking for a few seconds, but when it acts up like this, I know it's not going to catch and fire up.

The kicker is, all I need to do is let the car cool off for 2-3-4 hours, and it fires right up.

It's left me stranded a few times, where I just had to wait until the car cooled and then it fired right up like normal.

When this happens, the car is usually fully warmed up, probably idled in traffic for a bit, but in no way was overheating, or anything out of the ordinary, and most every other time the car starts without issue under the same conditions.

It seems heat related to me, and to me (I don't know too much about tuning) since the car runs fine and starts 49 out of 50 hot starts, that it's maybe tune related.

My tuner thinks it may possibly be something to do with the crank sensor wire, or something do do with wiring/hardware, and wants the car for a week to troubleshoot. The thing is though, he might not get the car to do this. It's pretty random.

Personally, I think it is tune related, and a simple adjustment is all that's needed.

I know that all I have to do is let the car cool off and it'll fire right up.

Because I'm running the Hydra, I am limited to who I can have look at my car, but I'm hoping maybe this might be something others have seen using the other tuning tools (OFT, Ecutek) have possibly experienced.

Any help or ideas would be appreciated.
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