choppy exhaust, is it my injectors? - Ford Powerstroke Diesel Forum
 
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post #1 of 3 Old 04-05-2011, 01:36 PM Thread Starter
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choppy exhaust, is it my injectors?

I just finished my E-fuel with regulated return, and 3"dp with 4" straight pipe.

I did the fuel mod because I had know issues with the original system, and leaks, and my truck was shuddering at 40-50 mph.

So, today was test drive time

But I think I found more problems that I couldn't "hear" with the stock exhaust.

My truck is sounding real choppy/chattery through the exhaust. Nothing smooth at all. I do have good acceleration though, much better than before

My truck died at one point on the test drive, I stopped and made a left turn and that's when it died. When I was decelerating. But she started right back up and I was good to go.

So can you hear injectors miss firing, and what does it sound like?
I'm thinking that I have some clogged injectors.

97 F250 ext cab lwb 4x2
AirDog2 and FASS HD (it's a WVO RR setup)
Simple Centrifuge filtering method
203 degree Mod, DIY homegrown intake, CCV mod, battery relocation,
215amp Ambulance Alt.
EBPV gut, Pedestal gut & cut
Diamond Eye 4" (3" dp) turbo back straight pipe no kitty, no muffler


http://wasteveggieoilexplorations.shutterfly.com
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post #2 of 3 Old 04-05-2011, 05:47 PM
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With the regulated return, what pressure do you have it set at? You could have it set too low and not feed the injectors enough fuel.
If it was an injector, you should be able to hear it at idle.

05 F250 4x4 CC, 9.5" Rize/Icon, 38" Toyos, 20x12 Pacers, 5" MBRP, AFE stage 2, Cass 190s, Powermax, ELC w/filter, RCD EGR delete
04 Excursion 4x4, vacation bus
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post #3 of 3 Old 04-05-2011, 07:24 PM Thread Starter
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Well I've got the AirDog2 set at 65, and the regulator on the engine set at 60

What do bad injectors sound like at idle?
My tuck lopes just a tad like a big cam, and I think I've got white exhaust

97 F250 ext cab lwb 4x2
AirDog2 and FASS HD (it's a WVO RR setup)
Simple Centrifuge filtering method
203 degree Mod, DIY homegrown intake, CCV mod, battery relocation,
215amp Ambulance Alt.
EBPV gut, Pedestal gut & cut
Diamond Eye 4" (3" dp) turbo back straight pipe no kitty, no muffler


http://wasteveggieoilexplorations.shutterfly.com
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