SN95 Mustang 1994-2004 Mustangs Member Tech & Restoration Discussion

01 3.8l unique misfire

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Old 11/28/17, 12:37 AM
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01 3.8l unique misfire

So I've got a misfire on cylinder 5 and I've been through spark plugs, wires and an ignition coil. I have no codes other than a misfire on cylinder 5. I've checked the injector and I have no idea what else it could be. The misfire comes up about 90% of the time and is sometimes not there at all, I got cut off today and found out if I brake hard through a gear such as going from 2nd down to 1st it goes away and doesn't come back until I start the car again. Please let me know if you've had the same issue and your opinion on what it could be.
Old 12/3/17, 09:01 PM
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I had a similar problem in my 2000 in 2010. Turned out that the pigtail going to the crank position sensors had worn through the insulation and was causing the misfire.

Good luck




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