05 p0193, 172 & 175 shrader fuel valve - Ford Mustang Forum
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post #1 of 2 (permalink) Old 09-02-2017 Thread Starter
jdeaton01's Avatar
Joined: Sep 2017
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05 p0193, 172 & 175 shrader fuel valve

i I'm trying to hook a fuel pressure gauge to the shrader valve but i don't have the correct adapter. Does anyone know what i need? I'm running diagnostics for trouble codes p0172 p0175 and p0193. It's not the maf sensor. Car will stop taking gas and shut off, sometimes it will catch back up and start taking gas again. Will the fuel pressure sensor do this?

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post #2 of 2 (permalink) Old 09-02-2017
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MirageII's Avatar
Joined: Aug 2013
Location: Oakdale
Posts: 297
I don't think you have a snrader valve. At least my 05 V6 doesn't.

P0172 & P0175 - System Too Rich Bank 1 & System Too Rich Bank 2
Possible causes:
Faulty front heated oxygen sensor
Ignition misfiring
Faulty fuel injectors
Exhaust gas leaks
Incorrect fuel pressure
Faulty Mass Air Flow (MAF) sensor

P0193 - Fuel Rail Pressure Sensor Circuit High Input
Possible causes:
Low or no fuel
Faulty Rail Pressure (FRP) Sensor
FRP harness is open or shorted
FRP circuit poor electrical connection
Faulty Fuel Pump

Yeah, I'd start at the FRPS. I had the same problem at one point. Went round and round trying to figure it out. Check it out very carefully. There are instructions as well as the service manual online if you look for it. If you need more help, we're here.

2005 V6 Convertible
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