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Problem solved. Used egr valve and used oem map sensor fixed the problem.
This morning before I installed the used oem map sensor I did not reset the cel. I have read that the cel light will not go off until the cel is...
I made it all last week without the cel coming on for the egr code p0401. I did replace the map sensor with a facet sensor I found online hoping...
I installed the used egr valve and cooler that I bought off of ebay this morning. I will update in a couple of days after I have driven the car to...
I also ordered a used egr valve and soon as I clean it and get it installed, I will update everyone.
Yes, I sprayed brake cleaner inside of it while the plunger was open and shook it around to clean inside. I also sprayed more after it was cleaned...
I ordered a used egr valve and cooler. After I clean them up and install maybe it will fix the problem. I'm thinking it's a bad egr valve at this...
I replaced the 12v battery a couple of months ago and we don't have to check emissions where I live so not sure about the catalytic converter....
Thanks Mendel Leisk, I have been thinking about finding another used egr valve and cooler and redo everything.
Checked resistance on egr valve and all is good. Replaced map sensor and check engine light is still coming on. Any ideas anybody???
I found that if I left something unplugged the check engine light was on right away. Sorry I cant help too much because I have not figured mine...
Checked all the fuses and they are good.
I made it about 140 miles today before the check engine light came back on.
Sorry for 2 posts but now I think I understand what plug on the egr valve you mentioned. I did unplug the connector and plug it back in to make...
Yes, I made sure the plunger was free and I also made sure it was not leaking in the close position while I was cleaning it. The wiring harness...
Yes, I made sure the plunger moved freely up and down. When I cleaned that part I even made sure it was seating and not letting any cleaner come...
The cooler was completely stopped up and I used the drill and wire to get through all the passages. It's not 100% clean, still a little build up...
I have a 2012 gen 3 with 271,000 miles and the check engine light came on. I watched all the videos and have read all the posts about P0401 code...
