6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

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Old

Mar 14, 2010 | 06:35 PM

#1

embry1123

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From: Oklahoma

Question

tach

Okay, so this is another post on the same subject as my first. BUT... I have a question there that seems to be getting over looked, so I apologize. When I crank the engine over, the tach does not move, not even a little. Oil pressure goes up and CEL light turns off, but no tach. The truck is obviously not starting and my initial thoughts are the Crank sensor, but all I have read say that this is not the place to start. Can the FICM cause the tach not to move?

Thanks again,

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Mar 14, 2010 | 09:10 PM

#2

cheezit

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From: N. Fort Worth, tx

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you know I dont think it does, cranking speed is about 150rpm. not 100% sure on it though.

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Mar 14, 2010 | 09:28 PM

#3

embry1123

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From: Oklahoma

Thanks Cheezit, I tried my wifes F-150 and her tach just begins to move right before starting. Mine doesn't even budge. Any thoughts on wher I might begin? The first post describes the situation. Thanks for looking at this for me.

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Mar 14, 2010 | 09:32 PM

#4

cheezit

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From: N. Fort Worth, tx

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does it fuel knock and try to light? really hard with out some scan data info. dtc at min would be nice.

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Mar 14, 2010 | 10:03 PM

#5

embry1123

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From: Oklahoma

It does, about once every 8-10 tries at starting. It just gives a slight try and then returns to simply cranking over.

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Mar 14, 2010 | 10:06 PM

#6

cheezit

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From: N. Fort Worth, tx

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sorry but with out any dtc its all a guess. have you tried to test the ficm voltage yet. that is another possibility.

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Mar 14, 2010 | 10:10 PM

#7

embry1123

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From: Oklahoma

I saw the procedure for that on another thread, I'll try that tomorrow. Thanks Cheezit, really appreciate your input.

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60, crank, diesel, ford, tach

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