5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

5.0 spark cuts out when warm

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Old 09-04-2007, 10:34 AM
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jwriley1
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Default 5.0 spark cuts out when warm

I have a 90 5.0- spark cuts out when warm-checked codes, replaced distributor, module, coil, rotor, cap, battery cables-cleared all codes- SPARK STILL CUTS OUT- after engine cools a couple hours, it starts and runs normal again-I now am suspecting EEC-anyone else had this problem-it's driving me crazy-thanks. I need to check codes again- I'll probably get 'ignition profile pick-up' but I've changed module twice, and stator once. Module sends spark signal but I believe it is also using data from EEC. Can EEC cause this ??? Or something else?
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Old 09-04-2007, 01:08 PM
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zkiller
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Default RE: 5.0 spark cuts out when warm

this forum is for 05-06 Mustangs with modular motors.
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