I need your help /o/, I'm stumped. I've posted about

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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

>>14216101
are you tightening the fitting too much?

are your mounts worn out and the engine is vibrating excessively?

>>14216101
.Just because your car passed emissions doesn't mean the cat's not clogged

>>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?

>>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.

>>14218185
>fuck EGR valves
They increase mpgs and reduce nitric oxide emissions. Also, the EGR valve closes during WOT. What's not to like?

>>14218220
>increase MPG
>implying

>>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

somebody is cranking that shit down waay too tight mang.

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$.

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?

>>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?

>>14219026
>convince them it was a defective part and get my money back?
How is it not a defective part?

>>14219188
Well they could say I installed it incorrectly or my car is fucked up and broke the part.

>>14219193
Take it back and ask nicely for a replacement.