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EGR vaccume issues


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I cleaned my iac today and noticed that the hose that goes from the plastic t to the metal egr was blocked off. so i plugged it in when i did the truck revved really high and wouldnt stop.

so i unplugged it and blocked the line again and it returned to normal. does this mean the egr is bad

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You may want to post a picture because the I.A.C. is not connected to the EGR transducer or valve. Here's a link to some common sensors. http://www.lunghd.com/Tech_Articles/Eng ... ostics.htm

 

Reading your post again I realize you didn't say they were connected. If your EGR valve is not closing then you need a new one. They're easy to replace. Look through the above link to get more details. Good luck!

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