Afriend scanned the codes (can't remember the exact code reference but it was related to EGR valve position). We reset the codes but they reappeared. We could not reset EGR adaptations on his device so I took the vehicle to Renault in France and asked them to do this. When I arrived to collect the van from Renault, the EML was showing. AnEGR stuck closed or clogged with carbon won't exhibit many symptoms, since engines don't technically need them to run. But expect a very noticeable drop in fuel economy, a noticeable gasoline smell from the exhaust pipe, a very hot catalytic converter, or all of the above. All modern vehicles monitor the EGR system, so any fault with the Symptomsof a Bad EGR Valve. When the EGR valve fails, it can cause several noticeable symptoms. Here are the most common: Illuminated Check Engine Light. The PCM monitors the performance of the EGR system. If the module detects a problem, it will turn on the check engine light and store a corresponding diagnostic trouble code Mainreason for having a throttle body on a Diesel is EGR and it also has a role to play during engine shutdown. When engine is turned off the valve closes and cuts air into the cylinders this helps to achieve a relatively smoother shut down. Throttle body works as an Anti-Shudder Valve (ASV). TheEGR is a pain the rear on our engines mate. There designed with 2 EGR valves, a body housing which is home to the sensors, plus the EGR cooler. I can bet your bottom dollar that if the top EGR was gummed. The rest of the EGR system will be in the same state. Good luck in figuring out your problem. I'm at my tether end with mine. Performa road test if this is necessary to duplicate original complaint. [a] If symptoms/codes are gone, repairs are complete. [b] If any codes display, review this section again; contact Detroit Diesel Customer Support Center at 313-592-5800. 5-13 All information subject to change without notice. EGR Valve to Bellow Connector Figure 8 Re EGR Valve Replacement 1.9 dci (130) Postby dcikev » Sun Mar 09, 2014 10:29 am. you will need the whole assembly if it is the solenoid part of the egr valve which is faulty ie an electronic fault,if it is just cocked up then a good clean up will suffice. I hope it is the latter as I had to replace the whole assembly on my scenic and it then Ihave one of these OBD-II interfaces, so I decided to plug it in and check out what the fault was. It comes up with P2413 - Exhaust Gas Recirculation System Performance. Great, I thought, I just need to clean out the EGR valve as it's all clogged up (again, we only had it done under warranty 9 months ago). Anyway, the car is no longer Thisguide 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. axleaddict.com. oaHIa.

1.5 dci egr valve symptoms