Finally fixed.....1000+ miles and no CEL!!!!!!!!!! Ended up replacing the DPFE then had to change out plug #2 to clear the p0302 code. This has truly been a learning experience.
After changing the oil (seafoamed) I noticed a little sludge build up on the wall of the "neck" where you pour...
I picked mine up from advanced auto parts for $7 a can. I have only been able to find BG online for from a professional car repair shop which is why I went with the seafoam.
Thanks...I did a seafoam clean a few hours ago. Instead of driving on the highway I just rev'd it in neutral in my drive way to get the thick white smoke out. My entire cul-de-sac was full of white smoke....lol. Good thing my neighbors had their windows down. Then I drove it for a while. I...
Okay I had the codes pulled again...
p0401---EGR flow insufficient
p1401---DPFE sensor circuit high
p0302---Misfire Chamber 2 (this is now the one that worries me the most. I changed my plugs about 6 months...7k miles ago. Hopefully this is being caused by the EGR problem... Going to...
Okay I had the codes pulled again...
p0401---EGR flow insufficient
p1401---DPFE sensor circuit high
p0302---Misfire Chamber 2 (this is now the one that worries me the most. I changed my plugs about 6 months...7k miles ago. Hopefully this is being caused by the EGR problem... Going to...
Man this problem sucks, my CEL came back on. I have cleaned the upper intake completely out, installed a new EGR, new EGR vac solenoid, my dad's friend (ford mechanic) the dpfe on a few months back and I am still getting the low flow code for the EGR. Whatelse could it be? I called myself...
Which provides the better results? BG 44k is saying simply add to gas and it will do everything else. From researching on this site Seafoam needs to go in the gas tank, oil, and brake booster. Not trying to be lazy but if BG is just as good I will probably use that being it's a gas additive...
Alright I ended up taking the entire throttle body off. As soon as I did I saw two pieces of black crust (cardon) sticking completely out of two little wholes which were at the base of the EGR port. Took two bottles of Carb cleaner and a lot of scraping to get them clean. Went ahead and...
I have a 4.6 XLT Expedition and I have been having an EGR problem for a while now. In the beginning I was getting the check engine light and bucking so I had the value cleaned and the sensor replaced. After about a month the light came back on so I just replaced the EGR with one from...
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