95 GMC C1500 SLT 5.7 TBI 2WD EGR code 32

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Joined
Aug 24, 2015
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Maysville NC
Good Afternoon Gents!

Im stumped here I've had the code 32 up for about a year now. The first time the code popped up was after I put headman long tube headers on it back to 2 flow master 40 series mufflers. Truck has been running fine for a year now and I just want to get rid of the Service Engine Soon light but I'm not sure what all I need to do in order to get rid of it. The EGR valve seems to be working properly and Ive unplugged the EGR solenoid and the light still came on. My vacuum lines are all clear so that not the problem. Now remember this all started after I changed the exhaust. Every now and then when i go to start the truck it has a rough Idle and a couple times it has died on me after the initial start especially if I go to throw it in gear real quick. If anyone could help me out here it would be greatly appreciated.

Thanks again, Dan
 

matt sorrentino

350 TBI Fanatic
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Jan 11, 2016
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try to check your MAP sensor i had a bad wire ( it was broken in half) and my truck had the code 32. Fixed the wire code disappeared. Hope it helps
 
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