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Changing EGR Valve

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  #26  
Old 08-01-2010
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Okay let the EGR tube soak with PB Blaster overnight and cleaned down into the hole where the manifold is and sprayed some carb cleaner in it. Let it dry and now put everything back together and it doesn't want to start?!! Crap. I don't think I did anything to it I don't get it. I must be finding out where the problem is though. It will turn over but doesn't start. Any suggestions. I had to take the O2 sensor off to get to the bottom nut where the EGR tube connects to the manifold.
 
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  #27  
Old 08-01-2010
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check to see if you tore any of the 02 sensor`s wires

also go back and check everything you did when you dis-assembled the pipe
 
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  #28  
Old 08-01-2010
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A little starting fluid in the throttle body and she fired right up. I also added a couple of gallons of gas for good measure.
 
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  #29  
Old 08-01-2010
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how is the engine running now
 
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  #30  
Old 08-01-2010
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Icon14

Well, it was still running off a little bit. Took it to Autozone and they threw it on the machine and it was still running a couple of codes 0401 and maybe 0303 I think. So I ended up replacing the EGR solenoid and the EGR pressure sensor and all is well. No codes and it feels like its running pretty darn good for a truck with 325,000 miles on it. I've got some more pics that I will post at a later date. Thanks again everybody for the help and special thanks to Cheese Man.
 
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  #31  
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yer welcome
 
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  #32  
Old 08-07-2010
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More pics

Pics showing the EGR pressure valve and EGR solenoid. One pic shows the EGR pressure valve upside down and the ports that I cleaned. I ended up replacing this part for $60. I think this might have been my main problem and that if I cleaned the rubber hoses running from the EGR tube to the EGR pressure valve and replaced the EGR pressure valve my problem most likely would've been fixed. Also, pics showing the end of the EGR tube where it connects to the manifold and the EGR tube itself (looks like a peace pipe. lol)
 
Attached Thumbnails Changing EGR Valve-dcp_2306.jpg   Changing EGR Valve-dcp_2308.jpg   Changing EGR Valve-dcp_2309.jpg   Changing EGR Valve-dcp_2310.jpg   Changing EGR Valve-dcp_2312.jpg  

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