If this is not the right section, I apologize up front. I have a 2006 jeep liberty crd. It was throwing codes p0401 and p0299 and 3 glow plug codes. I ordered a new egr and new glow plugs. I replaced all 4 glow plugs and egr. I cleaned the piping going to it because it was stopped up. I also clean the Map and fcv valve very good. I also checked the cvc hose to make sure there was no cracks or splits. The jeep drives excellent and has good power. I am still throwing p0401 and p0299. any suggestions on what to do. I have cleared the codes quite a few times and it still shows back up. I have done a lot of research, but still no good answers. Any help would be greatly appreciated. I have been working on it for a few weeks.

Anybody got any ideas

Try the CRD section. Lots of knowledgeable people there.

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2006 Sport, GDE FT Eco Tune, Custom Trans Tune
2015 Ram 1500 Big Horn EcoDiesel, GDE Hot Tune