We have a 2005 Chevy Duramax 6.6 LLY, and read about the EGR blocker/fingerstick fix in issues and answers Winter ‘07. We were wondering where we could purchase this product. We have 72,000 miles on the truck, have the Banks Ottomind power system on it and we are getting EGR valve open and EGR low flow codes. Can you help us?
These are the two trouble codes you are referring to:
- P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
- P0404 Exhaust Gas Recirculation (EGR) Open Position Performance
First, the EGR blocker plate and fingerstick will not solve this particular problem. If you have trouble codes coming up with the EGR in stock configuration, something has failed...
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Joel Paynton is an award-winning GM technician who specializes in Duramax fuel systems. He also does custom programming for any GM powertrain. Visit him on the web at www.payntonperformance.com.
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