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Too hot to start?

 
Old 07-11-2019, 03:41 PM
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64Scout
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Default Too hot to start?

This sounds dumb as hell, but three days in a row now. I have an 89 m6. It starts just fine in the morning to go to work, but after work when it's about 95 out it doesnt want to do anything. As in, wont crank over. The dash lights up fine. If I put the windows down and air it out for awhile, it starts normally. I think the heat in the cabin is affecting a switch somewhere, clutch switch maybe or ignition switch? The security light doesnt flash unless the doors are open, so I dont think it's the VATS. Any ideas?
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Old 07-11-2019, 08:53 PM
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1993C4LT1
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If the security light is steady lit with key in the ON position, then yes, it's vats problem.
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Old 07-12-2019, 12:35 AM
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Try taking a good erasure to each side of the "chip" in the key.
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Old 07-12-2019, 07:24 AM
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Originally Posted by 1993C4LT1 View Post
If the security light is steady lit with key in the ON position, then yes, it's vats problem.
It doesnt come on. It only flashes when a door is open. Doors closed, its off.
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Old 07-12-2019, 08:46 AM
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My guess would be starter related, since you say it doesn't crank when ambient high temps.
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Old 07-12-2019, 09:34 AM
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Originally Posted by 1993C4LT1 View Post
My guess would be starter related, since you say it doesn't crank when ambient high temps.
That was what I was focusing on - having experienced that before...UNTIL he said that after he opens the windows and airs it out - i.e., cools down the interior, it will start normally. That, eliminates (?) the starter, at least for the time being. methinks.

I think I'd refer to the FSM and start probing the start circuit: divide and eliminate! (Oh, intermittent problems are sooooo much more challenging than hard failures!)
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Old 07-13-2019, 03:05 PM
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Originally Posted by Paul Workman View Post
That was what I was focusing on - having experienced that before...UNTIL he said that after he opens the windows and airs it out - i.e., cools down the interior, it will start normally. That, eliminates (?) the starter, at least for the time being. methinks.

I think I'd refer to the FSM and start probing the start circuit: divide and eliminate! (Oh, intermittent problems are sooooo much more challenging than hard failures!)
I thought about a hidden starter button somewhere.
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