P0193 fuel rail pressure sensor - Ford Mustang Forum
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post #1 of 5 (permalink) Old 10-03-2019 Thread Starter
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Hi, I'm in an 05 v6, with rough idle, intermittent cylinder misfires, intermittent 02 sensor alerts, with p0193 code for fuel rail pressure sensor (high pressure) I've changed the sensor twice, new fuel filter, new fuel pump, new plugs and wires, new throttle body gasket. Can't find any vacuum leak but cannot make this code go away. Any suggestions will be greatly appreciated. Im going to purchase a new coil pack today, and maybe some contact cleaner. Please give me some ideas! Thanks in advance!!!

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post #2 of 5 (permalink) Old 10-03-2019
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This thread has some pretty good information,,, in one case, it was a bad connector. https://www.allfordmustangs.com/foru...me-advice.html


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post #3 of 5 (permalink) Old 10-03-2019
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an alternator going bad can also cause weird issues. if it is the alt, and yes they can test good but still be bad, get one for a 2010 model in auto or manual, whichever applies. good luck

Lots of bolt on goodies...
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post #4 of 5 (permalink) Old 10-05-2019 Thread Starter
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Thanks for the info! I am in the midst of cleaning all connectors. I did find that in the IAC, the connector is missing the piece that "snaps" it in place. That will definitely be addressed today! Thanks again!
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post #5 of 5 (permalink) Old 10-05-2019 Thread Starter
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Alt did test good. There's a couple of alts out in the shop, if the connector fix and cleaning doesn't work, I may try that. Thanks for your input!
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