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I need your help /o/, I'm stumped.
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I need your help /o/, I'm stumped.
I've posted about my problem on three different Mustang forums now and none of them have been able to help.
My fucking EGR valves keeps breaking. I noticed that the stock one had a sizable crack in it, right where the exhaust hose screws in, so I replaced it. After driving at freeway speeds for about 15 minutes I got a check engine light, P1443. Lo and behold, the new EGR valve has a big ass crack in the same spot at the old one (pic related). What the fuck? I googled that shit up but I can't find very much. I did find a couple of threads suggesting that the cats or the muffler could be so clogged up that it makes the EGR valve blow chunks. The thing is, I live in California and the car passed smog last month so they must be flowing somewhat well right?
It also has a problem retaining pressure in the fuel system after the car is turned off but I don't that issue is related.
Any advice or ideas would be greatly appreciated.
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old one
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Fuck I forgot, it's a 1998 Mustang GT. derp
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final bump
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>>14216101
are you tightening the fitting too much?

are your mounts worn out and the engine is vibrating excessively?
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>>14216101
.Just because your car passed emissions doesn't mean the cat's not clogged
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>>14217256
I was just thinking that looks like a stress crack cause of how it lines up with the bolt.

I concur with this, seems like way over torqued or road vibration and shock is being transferred where it shouldn't be.
>>
OEM or aftermarket parts? Part brand?
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>>14216101

this could potentially help you out. EGR is a fucking waste of time, so what I did was remade the gasket out of a drinks can with no hole in it - a blanking plate that once rubbed in grease meant no more EGR shite and the inspection guys never noticed. If it's returning a warning light (I didn't get one) then poke a hole in it to confuse it.

Seriously, fuck EGR valves.
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>>14218185
>fuck EGR valves
They increase mpgs and reduce nitric oxide emissions. Also, the EGR valve closes during WOT. What's not to like?
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>>14218220
>increase MPG
>implying
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>>14218235
http://ecomodder.com/forum/showthread.php/does-egr-help-much-13278.html
http://www.mpgenhance.com/replace_egr_valve_fuel_economy.html
http://www.cumminsforum.com/forum/07-5-09-3rd-gen-6-7l-performance-parts-discussion/48386-does-egr-really-help-increase-fuel-economy.html
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somebody is cranking that shit down waay too tight mang.
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the egr tube that goes into it might be bent, somehow its getting pressure against the egr somehow.

Also more than likely your using a Chinese part, you wouldn't believe the shit quality of the metal and parts in a Chinese 'OE' replacement.

Look into possibly replacing the EGR tube and EGR with FORD parts. If i remember correctly, ford egr's cost ~120$.
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Just woke up guys, thanks for all the feedback.
>>14217256
>>14217281
>>14218587
Well the stock part had a crack in it, so are you suggesting that it came too tight from the factory? I don't think I over-tightened it, but I guess it's possible. Even then, it took the stock part 16 or so years to break, but the new one shat itself immediately. I guess
>>14218150
>>14218674
those guys may have a point then.
The brand is BWD, got it at O'Reilly for $70. It has a "limited lifetime warranty". You think I can convince them it was a defective part and get my money back?
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>>14218674
>replacing the EGR tube
Isn't that welded onto some shit in the exhaust system or something?
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It it bad?
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>>14219026
>convince them it was a defective part and get my money back?
How is it not a defective part?
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>>14219188
Well they could say I installed it incorrectly or my car is fucked up and broke the part.
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>>14219193
Take it back and ask nicely for a replacement.
Thread replies: 20
Thread images: 5
Thread DB ID: 405363



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