03 6.0l no throttle response/ now no start - Ford Powerstroke Diesel Forum
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Old 12-28-2010, 05:38 PM
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03 6.0l no throttle response/ now no start

Hi, I am in need of some tech help or suggestions. I have 2003 f350 with a 6.0L I recently changed the oil and all the filters as i normally would, all was fine when job was done. I was driving home and started to notice a lake of power then eventually no throttle response, it would only idle it finally died on side of road. After towing truck home it started back up but would still only idle then eventually died again .It has been a week and still won't start at the DEALER I have spent $2000 so far and they replaced 1 injector , icp sensor, 1 new starter they burnd out, Now they are saying high pressure oil pump. I am wondering if the hpop would cause no throttle response. It also had no codes. Any help would be grateful.
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Old 12-29-2010, 12:59 PM
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so is it in the dealers possesion or back at your place? The most common thing to fail on the HPOP is the STC fitting, dont let the dealer replace the whole thing. Check out the link in my sig for troubleshooting a no start condition. Good luck

Also spend some time reading about the different problems 6.0 can give you. All the info is right at your fingertips here on this site
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Old 12-29-2010, 04:44 PM
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I have had hpop fitting replaced last year.The truck is now back at my house I am going to pull off the turbo again and check the ipr and see if is the problem any other suggestion would be a great help
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Old 12-29-2010, 05:09 PM
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is your truck chipped? mine did the same exact thing last week, I had corrosion on the wires to the pcm from the chip! it sucked man, had to re-pin and repair wiring! but it runs like a champ now- back to kicking the chevys and dodges around. Good luck
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Old 12-29-2010, 05:31 PM
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A bad injector could cause a no-start condition, no throttle condition, and loss of power. Check for combustion in fuel system.
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Old 12-29-2010, 10:18 PM
RCB RCB is offline
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I had a similar problem earlier this year. I had slight groaning noise at the firewall for 5 weeks and intermitent check engine light for about 3 weeks before it died. Over the last week before it died completely, it took longer and longer to accelerate to 70 mph. Then right before it finally died, I had to push pedal to the floor to maintain engine speed at 55 mph on level ground. Got to a stop light, and then died completely. Had it towed to the dealer and they were able to start it the next morning and drive one block before it died on them. Had to replace 1 injector, ICP, and HPOP. Hope this helps...
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Old 12-30-2010, 03:10 AM
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Thank's guys for all the replies going to start working on it tonight after worke I will let you now what I find. Need to get back on the road I here lot's of snow comming and can't wait to bury a chev.
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