2011 SHO. Vacuum Leak.

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ShoBoy Mook

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Hello. Im having a situation with my sho guys!!! i loss alot of power within the past couple of days. ive tighten every hose clamp possible. cleaned every sensor. and searched for every leak. no hiss at all. my obd scanner did pickup a low vacuum pressure even on open throttle. so i changed the vapor canister vent solenoid. some performance did come back and i did receive a significant change in fuel pressure. but i notice my evap command would not hit 0% at idle. evap would not close. throttle response time is good for a quick second then looses power again. scanner on graph shows evap command spike to 0 on full throttle, then opens wide again all within the same second. im so confused right now and need my fellow SHO GODs to show me the way! i wanting to change the purge valve, but i cannot find the part? is it sold in a whole assembly? because every single part store and online ford parts dealer doesnt have it. they have another part. i did find mine online at one online store. part looks legit, but why is this the only place that sells it. or did someone put the wrong part on my car in the past? heres a pic of what i need. if anyone can find a more respectable part, i would appreciate it.

 

Joshw0000

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Sep 20, 2018
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North Carolina
Hello. Im having a situation with my sho guys!!! i loss alot of power within the past couple of days. ive tighten every hose clamp possible. cleaned every sensor. and searched for every leak. no hiss at all. my obd scanner did pickup a low vacuum pressure even on open throttle. so i changed the vapor canister vent solenoid. some performance did come back and i did receive a significant change in fuel pressure. but i notice my evap command would not hit 0% at idle. evap would not close. throttle response time is good for a quick second then looses power again. scanner on graph shows evap command spike to 0 on full throttle, then opens wide again all within the same second. im so confused right now and need my fellow SHO GODs to show me the way! i wanting to change the purge valve, but i cannot find the part? is it sold in a whole assembly? because every single part store and online ford parts dealer doesnt have it. they have another part. i did find mine online at one online store. part looks legit, but why is this the only place that sells it. or did someone put the wrong part on my car in the past? heres a pic of what i need. if anyone can find a more respectable part, i would appreciate it.


Did you figure it out? I'm having a similar issue. I'm getting P2196 and P2198 (rich on front O2's). I cleared the code 2 months ago thinking surely both didn't fail at once. It came back recently and I've let the codes stay as I look into it. The CEL comes on at a low tank of gas, then cuts off when I fill up. Also I've noticed that it takes a while to crank after fueling but always turns over instantly any other time. And my fuel consumption is higher (running rich).

So last night I changed the same part (vapor canister vent solenoid) and got fuel. Same thing, it took a while to crank. So I don't think that was my issue. In all of my online searching, I can't find a purge valve. I've talked to 2 dealerships and multiple part stores and they all seem confused. They're eager to sell me a part that has to be ordered/shipped but can't even tell me where it goes or if it even fits my car. I'm hoping you swapped yours and can point me in the right direction, or maybe someone else can help.

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