megasquirt trouble

Glass94

New Member
Jul 19, 2020
1
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kentucky
I have a 94 mustang with hci. I recently just installed a megasquirt and i thought i understood what i was doing somewhat but i'm lost. I cant even get the car to idle to be able to set idle to match the megasquirt. It wont idle when cold and it somewhat tries when its warm but then it starts surging and dies. i got frustrated and deleted the map i was working on and was going to start a new one but decided to ask for help first before i mess something up. any help is appreciated.
 
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96pushrod

Mustang Master
May 15, 2018
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Damn, don’t ever delete tune files or tables. If a car runs at all that’s usually a win.

Are you using a ms2pnp? Or like a stinger pimp system?
 

65ShelbyClone

Founding Member
Sep 9, 2000
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Antelope Valley, SoCal
Head over to DIYAutoTune and start over with the stock 5.0 tune file. You have a wideband I hope...

but decided to ask for help first before i mess something up.
You did that by deleting your MSQ. Actually, you messed-up much earlier if simply deleting CurrentTune.msq put you back at square one.
 
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