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.

help, car wont start

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Old 04-19-2010, 12:27 PM
  #1  
91gt347
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Default help, car wont start

i have a 91 and it just turns over when i go to start it. when i turn the ignition on i can hear the fuel pump hum but it stays constant and doesnt turn off. there is also a clicking sound that coincides with my check engine light. when it clicks the check engine light turns off, its really quick. im also getting another clicking fromunder the hood on the pass side of the engine. i havent checked the fuel press yet. im guessing the clicking is a relay thats going bad or something, has anyone had this problem or know what it is...thanks
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Old 04-19-2010, 12:38 PM
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Batenswytch
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ECM? Mine did that last year. Died rolling down the highway, I thought the gas gauge was WAY off and I'd run outta gas. All the electrical worked, fuel pump hum, etc, but it wouldn't turn over.

We replaced I dunno how many miscellaneous parts before we figured out it was a dead ECM.
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Old 04-19-2010, 06:06 PM
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91gt347
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i just got the car tuned and sct chip install about 2 weeks ago, wonder if that has anything to do with it
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