LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

EGR valve??

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Old Nov 18, 2003 | 03:30 PM
  #1  
BigTed187's Avatar
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From: Arizona
EGR valve??

I scanned my car this morning and code 32 came up?? soo im assuming the EGR valve is not working correctly or at all...i have a rough idle and horrible hesitation when accelerating?? i was wondering if anyone has any input on what else could be wrong?? i also have a pinging of two metals hitting together when i take off?? thanx alot
kevin
Old Nov 18, 2003 | 04:41 PM
  #2  
ttopz28's Avatar
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From: Dallas, TX
Last I recall Haynes noted those symptoms (rough idle and hesitation under light acceleration) for....you guessed it - your EGR valve. I had an EGR code too - it took me forever to finally realize where the damn thing is though. (I have pictures if you want them)

To check it, the manual suggests pushing the diaphragm (sp.) in/up while the car is idling. It should stumble. If it does, that verifies that much is working >> I would check all your vaccum lines at this point to make sure they arent broken/come off. The manual then tells you to take the vaccum line off the top and using a vaccum pump to verify that is working. If so -- your valve is fine. Move on to the solenoid or the lines connecting to it.

Edit: i'm no expert in this field, just shedding some light (at least as much as I have)

Last edited by ttopz28; Nov 18, 2003 at 04:47 PM.
Old Nov 18, 2003 | 05:08 PM
  #3  
Hyperspeed97z28's Avatar
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From: Upstate, NY (Albany area)
I've got an EGR for sale on ebay right now, Took it out when I did headers and !AIR.. Match the # on your current EGR to this #

http://cgi.ebay.com/ebaymotors/ws/eB...tem=2443188390
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