Starts hard when engine is cold - any ideas? - Ford Powerstroke Diesel Forum

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post #1 of 13 Old 09-21-2009, 10:59 PM Thread Starter
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Starts hard when engine is cold - any ideas?

Hello,

Back in January my truck began starting harder when the engine is cold (weather is not a factor here), cranking for about 5-7 seconds before it starts. The truck had about 36,000 miles on it at the time the problem began. It has been back to the dealer several times for that, but they just can't find the problem. So far they have replaced the Fuel Injection Control Module wire connector, and the Injector Control Pressure fitting kit and branch tube.

Anybody have any ideas what they might be missing before I take it back there yet one more time? Thank you.
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post #2 of 13 Old 09-22-2009, 09:08 AM
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How cold is cold?


1991 Volkswagen Jetta 1.6TD ECOdiesel -- 423,000 miles
2003 Ford F-350 6.0 -- 131,000 miles
1987 Mercedes-Benz 300SDL -- 307,500 miles

2000 Volkswagen New Beetle TDI (RIP)
1987 Mercedes-Benz 190D 2.5 Turbo (sold)


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post #3 of 13 Old 09-22-2009, 01:41 PM Thread Starter
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Cold as in sitting over night. Again, weather is not a factor here. I live in the San Francisco Bay Area, so it doesn't get very cold. It starts just as hard on Summer mornings as it does on Winter mornings.
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post #4 of 13 Old 09-22-2009, 04:56 PM
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what year truck? any mods/ tuners, etc...

Chuckles

07 F350 King Ranch. SCT by Innovative!! 4" Magnaflow Turboback, Coolant Fiter System, ARP Studs, Sneaky Pipe by Elite Diesel.
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post #5 of 13 Old 09-22-2009, 05:21 PM
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cycle the glow plugs 3 or 4 times

Zach
04 F350 CC LB Fx4
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post #6 of 13 Old 09-22-2009, 07:42 PM Thread Starter
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It's an '06 F250 King Ranch, no mods. I 'll give it a try cycling the glow plugs, but am hoping to find a fix for it.
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post #7 of 13 Old 09-22-2009, 08:12 PM
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plug the truck in and see if that helps start it...if so, mite be be ur glow plugs or the relay !!!

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post #8 of 13 Old 09-23-2009, 05:03 PM
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was this a gradual thing, or all of a sudden, like after an oil change?

Chuckles

07 F350 King Ranch. SCT by Innovative!! 4" Magnaflow Turboback, Coolant Fiter System, ARP Studs, Sneaky Pipe by Elite Diesel.
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post #9 of 13 Old 09-23-2009, 11:01 PM Thread Starter
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It was all of a sudden, but no maintenance was done prior.
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post #10 of 13 Old 09-24-2009, 05:19 PM
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have you checked basics? Fuel pressure? Air Filter, 5 to 7 seconds is not real long crank times, but it is a bit on the longer end. Once it starts, how does it run cold? When it warms up, how does it run? Have they checked the FICM voltages?

Chuckles

07 F350 King Ranch. SCT by Innovative!! 4" Magnaflow Turboback, Coolant Fiter System, ARP Studs, Sneaky Pipe by Elite Diesel.
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