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. A comprehensive step by step guide to removing the EGR valve on a 2.0 dci Trafic, Vivaro, or Primastar; featuring Lucy and her self converted camper van. Please consider 'buying us a brew' if this Renault Trafic 2.0 DCI 115 LWB, 59 plate. I had a bit of a flat spot and thought that it was about time to clean the EGR valve. There were no error codes or warning lights other than a glow plug associated code. I removed the old valve (Siemens) and was surprised to find that it was pretty clean.
#2 · Jan 5, 2012 Have'nt got the EGR removed yet. MAF came today so ten minutes should stick it in tonight. My only concern now is a little knocking noise low down in the revs in 1st & gear 2nd. The hesitation/missing seems to be in any gear from approx1600rpm to about 2200rpm.
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%. 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. .
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    • renault trafic 2.0 egr valve problems