Occasional rough idle, no smoke, no codes, no symbols - Ford Powerstroke Diesel Forum
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Old 08-02-2013, 08:31 AM
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Occasional rough idle, no smoke, no codes, no symbols

Hi Guys
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 09:01 AM. Reason: misspell
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Old 08-02-2013, 08:02 PM
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Take it in again. If it is an injector issue and it goes untreated, it can do some major damage... You should still be within the 5 year 100k engine warranty coverage. Unless you have an extension plan as well. Hope your maintenance is up to date and verifiable...
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Old 08-11-2013, 08:39 AM
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I took the truck in to the local Ford dealer. they found the high pressure fuel pump to be bad. Not only that but the fuel pump sent metal savings throughout the fuel system. they replaced all the injectors, fuel lines. It took a week and the dealer said it was about an $8000 job, but was under warranty. Why the other two dealers couldn't find that I don't know, but this dealer found the problem in a couple of hours.
hope this may help others.
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Old 08-12-2013, 05:29 AM
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Dealers are like doctor offices, doctors are like the diesel technicians. They are only as good as their experiences. This is why 2nd/3rd opinions are a good idea even though it is somewhat frustrating at times.

Let us know how things continue to ride for you. Interested in seeing if you do have further issues.
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Old 08-12-2013, 08:15 AM
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I hear ya, but not all the doctors come from the same school. all Ford dealers buy vehicles from Ford factory (school). I would think that the mechanics at the Ford dealers would be able to call up Ford w/ questions, talk to engineers about problems and help solve them.
I will definitely let you know how the repair goes, hopefully it will be OK.
I did buy an extended warranty (not from the ford dealer) that will ad on another year. does anyone know if it is possible to extend that warranty or buy an extended warranty from Ford at this point in time?
thanks,
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