This guide shows you how to locate, remove, and clean your exhaust gas recirculation (EGR) valve on Renault Trafic, Opel/Vauxhall Vivaro, and Nissan Primastar vans. Cleaning helps your diesel engine run smoothly, and it's possible to bypass the valve to increase performance and economy.
Hello ! I have EGR problem, 2007,90ps ,dci, can someone give me a circuit diagram for EGR-ECU, how can i test for a wire break? Fault code : P0409 and P0488. I removed the EGR valve ,and for 12v it is working fine the valve. (pinout 1-5 ) The electrical resistance pinout : 6-2 4,9Kohm. 6-4 1,35Kohm.
I'm having a DF647 error (EGR valve position regulation). Have the valve replaced with a new one, persumably faultless, but the error remains. :crazy: Measured parameters are: PR128 (first offset) and PR129 (last offset) are both at 800%. PR022 (position difference) is roughly 50%.
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    • renault trafic 2.0 egr valve problems