NEED HELP: 2006 6.0L Hesitation - - Home of Canadian Ford Truck Enthusiasts

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post #1 of 5 (permalink) Old 06-13-2009, 12:29 AM Thread Starter
Join Date: Jun 2009
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2006 6.0L Hesitation

Having major problem with driving on highway. First time owner and operator of a diesel truck. At speeds of 100km/h - 120km/h with throttle just tipping in and RPM's at or about 1000-1300rpm the vehicle starts to hesitate, bucks and vibrates causing entire vehicle to shake. As soon as I step into the throttle and turbo really kicks the problem mostly stops. Only seems to happen on the highway. Tried new tank of diesel, new fuel filters, added cetane and performance booster and added new air filter. Nothing has worked. Checked for codes and none were present and no engine check light on as of yet. Any ideas would be great.

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post #2 of 5 (permalink) Old 06-13-2009, 12:39 AM
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Location: Kitimat, BC
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I'd take it to a reputable dealer and get them to throw it on the computer/laptop. I had an issue with mine, when it was cold. I put my code reader on it and it didn't show any codes. I then took it to the dealer and they checked it out and found one injector was not fully functional. Got it replaced and problem was cured.

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post #3 of 5 (permalink) Old 06-13-2009, 09:33 AM
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I'm guessing it's an injector problem as well...although it could just be that the FICM needs to be reflashed.
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post #4 of 5 (permalink) Old 06-13-2009, 02:37 PM
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Sound quite similar to the problem I had with mine. It turned out to be injectors as stated above.


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post #5 of 5 (permalink) Old 06-13-2009, 10:53 PM Thread Starter
Join Date: Jun 2009
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thanks everyone for the info. goin to take it to dealer on monday and have them check the injectors and for codes. found #1 and #8 injectors dead.

Last edited by Brocktoones; 07-09-2009 at 10:38 PM.
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