Join Date: Jul 2013
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Occasional rough idle, no smoke, no codes, no symbols
I bought my first diesel, a 2009 F350 w/ 20K miles on it. I have since put on 30K miles, about 15K of those towing a 33' Montana. on the last trip the engine started to run rough after idling smoothly. There also was a loss of power from a stop, especially towing the 5er. there was no 'check engine' light, no 'wrench' light, no smoke. the rough idle went away after I shut down the engine and restarted. I took the truck to a ford dealer and they said it was the #2 injector and the EGR. I don't know how they determined that as there was no check engine light on. since they couldn't work on it for 7 days I continued the trip. the dealer gave me a contact with another ford dealer where I was doing to be for a week. This dealer said they couldn't take the word of another ford dealer. after 3 days they couldn't find anything or duplicate the problem but replaced the EGR, I think for lack of anything else to do and it was easy. The truck drove fine the rest of the trip. About 1500 miles. when I was home moving and parking the 5th wheel the engine started running rough again while it was idling. And again, no lights, no smoke. and again ran ok after shutting down and restarting. I put a OBDII on it and no codes. any ideas?
Last edited by triggerhappy; 08-02-2013 at 10:01 AM.