Engine starts roughs and no accel power - Ford Powerstroke Diesel Forum
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Old 12-29-2013, 03:56 PM
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Unhappy Engine starts roughs and no accel power

Have an '04 F350 with an '03 motor.. 128K on the motor.. I have been very good about changing oil every 3-4k miles and other required maintenance. I don't run it every day..

At start-up, the engine is very rough and at low temps( below 20) its almost impossible to start. It takes a good 10 minutes to settle into a decent idle. At this point if I hit the gas pedal.. engine RPMS increase very slowly while in "park". It may take a minute to go from 1000 to 3500 RPMS. If i try and take it on the road is barely accelerates under load. Once the engine warms up it runs beautiful ..like nothing was wrong. It seems to have begun when i tried to start it on a ski trip at minus 20F.

It sounds like i at least have a blown HPOP and maybe some stiction.
Also makes a very loud fan sound(rushing air) at acceleration.

I don't mind putting a few $$$ into the truck if i can get another 10yrs out of it. Assuming i need a HPOP, what else should i have done at the same time.

Should I replace with a Ford HPOP or is there a better option.. what about injectors and FICM and EGR issues. Should i take it to dealer.. or does anyone know a good shop at the Jersey shore?

Rather just get it all done at once. Any help or other suggestions about diagnosis would help..

Really drives me nuts to have spent an extra $5k on the diesel just to have these issues.

Thanks all!
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  #2  
Old 12-29-2013, 04:11 PM
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Welcome to the Org!!

Your issue may be as simple as a weak FICM. Do you have a way to monitor the engine?

What is the FICMv when starting motor and idling cold? What is the Battv?

Even though the CEL (Check Engine Light) isn't on, you can still have engine codes. Use a good scan tool to pull any codes.


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Old 12-29-2013, 04:19 PM
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I've got the same motor in my 03. You may try a couple bottles of Rev X. It fixed my injector stiction after only running about 30 minutes. It ran like a totally different truck.

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Old 12-30-2013, 04:33 AM
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Quote:
Originally Posted by Lilpooh View Post
Welcome to the Org!!

Your issue may be as simple as a weak FICM. Do you have a way to monitor the engine?

What is the FICMv when starting motor and idling cold? What is the Battv?

Even though the CEL (Check Engine Light) isn't on, you can still have engine codes. Use a good scan tool to pull any codes.


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Thanks for the reply.. I have a voltmeter that i can try. I suppose i could take the truck to the dealer to let him diagnose it and them I can decide if i can tackle it or let a shop do it.
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Old 01-02-2014, 09:21 AM
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FICM checked out 47 volts at before and after start..

I guess i can take it to dealer to have them run a diagnostic.

Question: Lets say it HPOP.. should i have stock HPOP put in or is there a better remanufactured or improved model to use?

Given the 129K mileage .. should i have the glow plugs and injectors replaced while its in the shop or can those repairs be done without having to basically tear apart the same part of the engine..my thought is that if its half way apart already it might be the time..
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  #6  
Old 01-02-2014, 09:23 AM
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FICM checked out 47 volts at before and after start..

I guess i can take it to dealer to have them run a diagnostic.

Question: Lets say it HPOP.. should i have stock HPOP put in or is there a better remanufactured or improved model to use?

Given the 129K mileage .. should i have the glow plugs and injectors replaced while its in the shop or can those repairs be done without having to basically tear apart the same part of the engine..my thought is that if its half way apart already it might be the time..


Quote:
Originally Posted by khardmey View Post
Have an '04 F350 with an '03 motor.. 128K on the motor.. I have been very good about changing oil every 3-4k miles and other required maintenance. I don't run it every day..

At start-up, the engine is very rough and at low temps( below 20) its almost impossible to start. It takes a good 10 minutes to settle into a decent idle. At this point if I hit the gas pedal.. engine RPMS increase very slowly while in "park". It may take a minute to go from 1000 to 3500 RPMS. If i try and take it on the road is barely accelerates under load. Once the engine warms up it runs beautiful ..like nothing was wrong. It seems to have begun when i tried to start it on a ski trip at minus 20F.

It sounds like i at least have a blown HPOP and maybe some stiction.
Also makes a very loud fan sound(rushing air) at acceleration.

I don't mind putting a few $$$ into the truck if i can get another 10yrs out of it. Assuming i need a HPOP, what else should i have done at the same time.

Should I replace with a Ford HPOP or is there a better option.. what about injectors and FICM and EGR issues. Should i take it to dealer.. or does anyone know a good shop at the Jersey shore?

Rather just get it all done at once. Any help or other suggestions about diagnosis would help..

Really drives me nuts to have spent an extra $5k on the diesel just to have these issues.

Thanks all!
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