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#1
03-07-2007, 11:18 AM
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Damn SES light again...
I replaced the EGR and after a month later the SES light is on again. Took my truck to Advance and he scanned it again and said it was the EGR. I took the EGR off and checked it like the Haynes Repair manual says, the volts and the OHMS. The light went off after I did all that and now its back on. Is this just a bad EGR or what are your opions? Thanks for the help.
01- Z71-5.3 
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#2
03-07-2007, 11:34 AM
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Re: Damn SES light again...
Sounds like there is something that is triggering the EGR.
I found this.. it is for a Ford F series truck, but should give you a pretty good idea on how the EGR functions and allow you to trouble shoot http://www.iroc-zpostforum.com/Tech/...g&Diagrams.htm
__________________
  2000 Silverado Z71, 5.3L, K&N GenII Air Intake, Y-pipe Exhaust (no muffler), Bosch Platnium +4 plugs, 242k miles and still running.
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#3
03-07-2007, 03:44 PM
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Re: Damn SES light again...
Quote:
What was the code no.?
__________________
Remember proper testing gives us the answer to many problems. MT
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#4
03-07-2007, 06:13 PM
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Re: Damn SES light again...
I'd perform an EGR delete.
__________________
   "When I step on the gas, I want people to think the world is coming to an end!" - Homer Simpson 2002 ECSB, Nelson Tune, LS1 electric fans, 145A alternator, K&N FIPK, 160º T-stat, TB coolant bypass, Corvette servo, 4 headlight mod, blue LED gauge cluster
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