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2005 ford f350 6.0 diesel runs rough when cold

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2005 x type diesel rough running when cold

Hi if you have the problem when your starting the car then the chances are its just going to be the glow plugs need replacing. if how ever it starts good and just runs bad untill its up to temp then this could be down to a couple of problems:

The first and cheapest thing you could try is to go out and buy a fuel line cleaner you can buy these from most filling stations and car spares shops, a good brand is called Red X just make sure you buy correct type ie diesel not petrol then follow instructions on back of bottle, you will then need to give the car a good run for at least 30 min to ensure the cleaner has cleaned all the fuel line and injectors etc, after doing this let your car go cold and see if it has made any difference if it has then it would be a good idea to give it a service ie change the diesel filter and air filter etc.

If after doing that your still having problems then your going to need to have a diagnostic check done to locate the problem as it could be that the diesel pump needs replacing but you wouldnt want to spend money on a new pump without doing a diagnostic check as it could also be something simple like a blocked breather, you wouldnt loacte this fault without diag check due to the amount of places you would need to look for the fault.

Let me know how you get on or if you need further assistance ok

Posted on Jan 05, 2010

  • 4 Answers

SOURCE: i ahev a 2005 ford f350 with 6.0 diesel, i am

Bad Injectors most likely. I have a 2006 f-350 and was having the same problem. I ended up changing the fuel pump and 4 injectors.

Posted on Jan 29, 2010

  • 1 Answer

SOURCE: I have a 2005 Ford F350 6.0 Diesel and It wont

I had this same issue and luckily my F350 2006 was still under warranty. Basically there is a high pressure oil system that has a tendency to leak internally. You won't see any oil leak. When cold the oil has enough viscosity to keep the pressure sensor from not allowing the engine to start. When the engine is warm the system doesn't reach required pressure to allow the engine to start. In short it's a Ford dealer repair. Good luck.

Posted on Jun 03, 2010

  • 326 Answers

SOURCE: 05 ford f350 diesel run

i would check egr valve first for coking/carbon build-up or blockage it is located right @ front of engine two bolts holding down remove bolts twist a little to get o-ring loose then pull up out of intake manifold you will see the carbon build -up present also look thru hole that it came out of if it is wet you could have a rupatured egr cooler hence the smoke there may me trouble codes present keeping in mind that ford didn,t think that certain conditions didn,t warrant illuminating the mil lamp but just store in memoery and can be checked with a code reader

Posted on Sep 09, 2010

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