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FD will start on adaptronic ecu but wont start on stock ecu

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Old Nov 6, 2016 | 05:11 PM
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FD will start on adaptronic ecu but wont start on stock ecu

FD will start on adaptronic ecu but wont start on stock ecu.

Will start with carb cleaner on the stock ecu. Verified that fuel is getting to fuel hard lines.

Any idea what I should look into?
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Old Nov 7, 2016 | 07:21 AM
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How is your ignition set up on the adaptronic? with carb cleaner it starts on stock ecu and stays running?
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Old Nov 7, 2016 | 09:48 AM
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^ idk, setup for stock I'm assuming. I had the adaptronic on my BB FD which had stock ignition. Will only start and run for a little with carb cleaner. Once the carb cleaner is burned off it dies.

Changed trigger wheel, CAS, checked CAS wiring and no luck. Also tried another OEM ecu, no luck.

Would look into the adaptronic settings while the car is running but the mini usb port on the adaptronic ecu broke off and i can't connect to it via bluetooth.

Going to get a Power FC from a local guy next and see what is going on.
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Old Nov 7, 2016 | 04:55 PM
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Old Nov 7, 2016 | 09:04 PM
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Old Nov 8, 2016 | 10:29 AM
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My advice is to get rid of that ecu. If you can't connect to it, it will be useless to see what is going on. To me it sounds like its not getting fuel. Either a problem with the ecu itself, the injectors, harness, pump, etc. The ecu might also not be seeing the trigger wheel or setting are way off preventing it from squirting fuel. Borrow a power fc and look in the function menu to see if everything is reading correctly.
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Old Nov 8, 2016 | 09:59 PM
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Why not just send the adaptronic out for repair? Replacing a mini usb can't be that difficult, at least not any more so than doing it to a cell phone, which was pretty easy.
Hell, you could probably just take it to a cell phone repair shop.
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Old Nov 9, 2016 | 08:33 AM
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Originally Posted by jacobcartmill
"a local guy" is all i am to you johnny?!!?!?!?!?!?

bahaha. you my broski.


Originally Posted by IRPerformance
My advice is to get rid of that ecu. If you can't connect to it, it will be useless to see what is going on. To me it sounds like its not getting fuel. Either a problem with the ecu itself, the injectors, harness, pump, etc. The ecu might also not be seeing the trigger wheel or setting are way off preventing it from squirting fuel. Borrow a power fc and look in the function menu to see if everything is reading correctly.
Thanks. what has me stumped is that it will run on adaptronic ecu so i would think it getting fuel from the pump to the injectors.

I've tried 2 different trigger wheels and CAS.

Yea I'm hoping to look at the setting via Power FC with Jacob this wknd.

Originally Posted by scathcart
Why not just send the adaptronic out for repair? Replacing a mini usb can't be that difficult, at least not any more so than doing it to a cell phone, which was pretty easy.
Hell, you could probably just take it to a cell phone repair shop.
I just sent off the ecu and have another adaptronic coming :-)
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Old Nov 13, 2016 | 01:46 PM
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Made some progress.

Got a new adaptronic and saw where the map sensor wasnt getting signal.

Continutiy tested some wires and found out that the map sensor isnt getting power. It shares power wire with tps so i temporary spliced a wire from tps to map sensor and the car starts on oem ecu.

Now i gotta figure out why the common wire between map and tps arent connected.
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Old Nov 14, 2016 | 09:17 AM
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Both those run through the body harness. Check your fender wells for rubbing as the harness runs under there. You could do a continuity test from the ecu to the map sensor to verify the wire is broken.
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Old Nov 18, 2016 | 10:03 PM
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Originally Posted by IRPerformance
Both those run through the body harness. Check your fender wells for rubbing as the harness runs under there. You could do a continuity test from the ecu to the map sensor to verify the wire is broken.
Continuity test confirmed that i had a broken wire. I just didn't know where. So I bought this
FD will start on adaptronic ecu but wont start on stock ecu-t8lzlldl.jpg

and found the broken wire after i removed some tape.
FD will start on adaptronic ecu but wont start on stock ecu-n6eg18zl.jpg
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