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EGR test

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Old Oct 22, 2015 | 06:30 AM
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Hardlanding's Avatar
Hardlanding
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EGR test

So while looking for my miss that I have on my 93 7.5 superduty, I hooked a vacuum line up to the EGR and pumped it down, the engine bogged down but didn't stall out, is this correct? I thought I would cause the engine to shut down?????
 
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Old Oct 22, 2015 | 07:37 AM
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Originally Posted by Hardlanding
So while looking for my miss that I have on my 93 7.5 superduty, I hooked a vacuum line up to the EGR and pumped it down, the engine bogged down but didn't stall out, is this correct? I thought I would cause the engine to shut down?????
I would assume that bogging down indicates that the valve is functioning. On me 5.8l when testing the EGR I was able to get it to essentially stall for about 1/2 a sec on one stroke, and then on the next the engine continued running, but barely. That's just from my personal experience though. Others may be able to add more.
 
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Old Oct 22, 2015 | 09:21 AM
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As demonhawk stated, its working.

If it stumbles or stalls, then the valve is working.
 
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Old Oct 22, 2015 | 10:42 AM
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Originally Posted by timbersteel
As demonhawk stated, its working.

If it stumbles or stalls, then the valve is working.
Thanks, I guess ill keep looking...this slight miss is driving my crazy
 
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