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Old 06-18-2011, 04:02 PM   #1
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Engine Trouble

So my car has been acting up for a while now. The main problem with it is that the car hesitates and stutters. It seems like this only occurs during high-RPM shifts.

Recently a code popped up that said "EGR insufficient flow", hoping this is what was causing my engine hesitation, I replaced the EGR valve, DPFE sensor and the vacuum regulator on the EGR line but the problem remains.

I am going to run some Seafoam through it tomorrow but in the meantime, does anybody have any ideas on what could be the root of this problem? Thanks
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Old 06-18-2011, 04:25 PM   #2
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Iac sensor,exhaust leak,tune up needed
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Old 06-19-2011, 01:15 PM   #3
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Re: Engine Trouble

I definitely do have an exhaust leak because I can hear it ticking on the passenger side when I drive near walls, but I didn't realize that could cause this big of a problem.

Another thing I notice once in a while is a loud pop form the same area of the car as the leak, maybe once a day in the morning on my drive to work when it shifts at high RPMs for the first time of the day. Is this also suspicious of an exhaust leak or could it be more serious like a bad cat?
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Old 06-19-2011, 01:57 PM   #4
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Recently I been hearing a rattle in my exhaust on the passenger side. And I also hear a faint but noticeable ticking noise I thought it could be my a/c. I cant diagnose the issue here and no trouble codes.
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Old 06-19-2011, 03:13 PM   #5
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What year is yalls mustangs? 99-04 v6 are notorious for having the passenger side manifold rust out just above the collector. I can almost guarantee that's your ticking noise. Jegs sells some equal length long-tubes for a good price.
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Old 06-19-2011, 03:15 PM   #6
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I wouldnt worry about the tick, mine did it again like 2 months after I got the manifold replaced... Just turn your radio up and you won't even notice it!
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Old 06-19-2011, 03:18 PM   #7
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Yeah but thats the easy, low-ball way out and no way to treat a car dude. I could understand if you don't have the money for it but that's just un-acceptable. But hey it's your car and your money.
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Old 06-19-2011, 03:24 PM   #8
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Quote:
Originally Posted by wc3john
Yeah but thats the easy, low-ball way out and no way to treat a car dude. I could understand if you don't have the money for it but that's just un-acceptable. But hey it's your car and your money.
It's cracked, and the only way to permanently fix the problem is new headers. They're $200+ and they cost a lot to install. The problem doesn't cause a loss of power, it's just an annoying sound. And seriously? No way to treat the car? It's not damaging it.
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Old 06-19-2011, 03:32 PM   #9
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Well ima sell my v6 for a v8
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Old 06-19-2011, 03:35 PM   #10
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No it just makes it sound like crap. I had an 02 v6. It's annoying as hell but you could easily buy the headers, have them shipped, put them on yourself with very basic tools, and have them welded to the back cats for around 400 bucks.
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Old 06-19-2011, 03:36 PM   #11
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Quote:
Originally Posted by Blackedout
Well ima sell my v6 for a v8
That's exactly what I did and I couldnt be happier. And my gas mileage is better if I'm not on it
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Old 06-19-2011, 04:03 PM   #12
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Re: Engine Trouble

Can you see the cracked header from inside the engine bay, where should I look?

Still tho, that might be the source of my ticking noise, but do you guys think that would explain the engine hesitation and load pop that I'm hearing?
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Old 06-19-2011, 04:17 PM   #13
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@Bobby, it depends. Most of the time I would say no but it just depends on the individual one.
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