86 Mustang GT : IGNITION PROBLEM. CONFIRMED FIX! NOT TFI!

Helping a friend diagnose and repair his 86 Mustang GT. The car will start up just fine when it is cold, but will not stay running once it warms up. We are happy to say that we have a confirmed fix, and the car is running great to this day!

Mustang Foxbody ECU Inspection -  Things to check if you suspect your ECU is in need of repair
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Mustang Foxbody ECU Inspection - Things to check if you suspect your ECU is in need of repair

1986 Mustang GT - No Start Issue Resolved! TIPS04E81
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1986 Mustang GT - No Start Issue Resolved! TIPS04E81

30 x 40 Pole Barn what the heck did I do?
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30 x 40 Pole Barn what the heck did I do?

Ford TFI no spark…not the module or pip sensor
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Ford TFI no spark…not the module or pip sensor

New Jellyfish Aquarium • Healing of Stress, Anxiety and Depressive States • Goodbye Insomnia #30
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New Jellyfish Aquarium • Healing of Stress, Anxiety and Depressive States • Goodbye Insomnia #30

Fox Body Mustang on a Budget: Why the 1979 Is the Perfect Retirement Project Car!
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Fox Body Mustang on a Budget: Why the 1979 Is the Perfect Retirement Project Car!

Ford EEC-IV Ignition Misfire - description, operation, testing part 1
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Ford EEC-IV Ignition Misfire - description, operation, testing part 1

Ignition Problems and No Start Issues in my 1988 Foxbody! - EASY FIX - TIPS03E13
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Ignition Problems and No Start Issues in my 1988 Foxbody! - EASY FIX - TIPS03E13

95 Mustang GT How To Reset Timing and Then Use a Timing Light
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95 Mustang GT How To Reset Timing and Then Use a Timing Light

When Criminals Are Smarter Than The Police...
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When Criminals Are Smarter Than The Police...

How to DISASSEMBLE a Ford TFI Distributor & Change PIP Sensor
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How to DISASSEMBLE a Ford TFI Distributor & Change PIP Sensor

4th generation Ford mustang GT 4.6L cranks but no start no codes simple repair part 1
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4th generation Ford mustang GT 4.6L cranks but no start no codes simple repair part 1

Unbelievable Workers | Working with Talented Engineers #46 #fail #adamrose #smartworkers
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Unbelievable Workers | Working with Talented Engineers #46 #fail #adamrose #smartworkers

Solving the SN95 5.0L #No Start No Spark - SN95 Owner's Guide #16
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Solving the SN95 5.0L #No Start No Spark - SN95 Owner's Guide #16

HOLY ROSARY TODAY THURSDAY, JUNE 11, 2026 ST. JUDE THADDEUS & LUMINOUS MYSTERIES | DAILY HOLY ROSARY
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HOLY ROSARY TODAY THURSDAY, JUNE 11, 2026 ST. JUDE THADDEUS & LUMINOUS MYSTERIES | DAILY HOLY ROSARY

How to test a TFI Ignition Coil on a 5.0L Mustang
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How to test a TFI Ignition Coil on a 5.0L Mustang

Foxbody surging idle/hard start issues when warm (fuel, spark, air, or something else?)
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Foxbody surging idle/hard start issues when warm (fuel, spark, air, or something else?)

Every Ford Mustang Ever - DRAG RACE
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Every Ford Mustang Ever - DRAG RACE

Your Foxbody Has A Dirty Little Secret It's Been Hiding From You!
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Your Foxbody Has A Dirty Little Secret It's Been Hiding From You!

Mustang 5.0L TFI Ignition Module Installation Tricks
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Mustang 5.0L TFI Ignition Module Installation Tricks