Mustang 50

Asked by Dec 29, 2015 at 02:58 PM about the 1991 Ford Mustang LX 5.0 Convertible

Question type: Maintenance & Repair

I'm not sure what's going on but today I ran
the AC for the first time in about 6 months
when I turn the car off I left it sit for about 30
minutes when I came back I turn the key and
its shuttered started up for a second and
installed I turn the key back off turned it
back on started shutters and it shut itself off
turn the key back off for another minute I
turned back one car started up perfect no
problem man good all the way home
anybody know what that is?

2 Answers


By shuttering do you mean a misfire? Check your ignition components, like plugs, wires, cap and rotor.


If the air was still on then the compressor may have been creating more load that it could compensate for until it relearned its idle strategy.

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