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An interesting development, on another topic, it has been suggested the the EGR is inoperative when the air cond is running. That is IF you have the ELECTRIC EGR valve I presume.......
Just thought I would throw my 2 cents in. The Hyundai "E"EGR is electric, so if you want to compare performance just put a a in line with the valve plunger switch. (pins 1 and 5 from memory on the EEGR connector)
Sorry to resurrect a pretty old thread, but does anyone know which one is the egr valve ? when I take the crdi engine cover off I see two pipes at the back of the engine - * one black one that goes from the top of the engine into some tube on the black intake pipe and then another metal one that seems to go from the engine into the exhaust housing of the turbo...thanks Paul (have been a lurker on this forum for a long time and seemed to have lost my old login in the site upgrade a while back)
... seemed to have lost my old login in the site upgrade a while back
Good work it will be interesting to get some accurate feed back and anaylsis on the topic as against hearsay or supposition.... Look forward to your updates and if the overall result is positive, maybe a "how to do " summary.... Cheers Elle B