HELP please! 7.3 is sick - Ford Powerstroke Diesel Forum
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Old 12-30-2013, 10:30 AM
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HELP please! 7.3 is sick

-I have a 2002 7.3 f-250 and lately it's been having rough starts also sounds like it's misfiring or injectors arnt getting power, and idles terrible and when you put it in a gear the sound is worse and the CEL will be on when it does all of this and it has little to no power and takes forever to get it up to speed and it's even stalled before while coming to a stop at a light. I was leaning towards the uvch but I checked them and they weren't loose. It also shakes at around 40 mph and will go away after you hit 50ish.

I just changed the oil and filter, fuel filter, cps(from ford), new batteries, alternator, ipc . Haven't been able to scan codes either.

Also it has, k&n intake, TS 6position chip(took off still didn't help),4in turbo back. replaced the alternator a couple of months ago, and power steering.

Thanks for any advice you can give, Brandon!
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Old 12-30-2013, 01:29 PM
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maybe somebody else will have some suggestions but really need an AE to read the codes.
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Old 12-30-2013, 01:35 PM
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Yeah, I just tried a generic code reader and it didn't read any. Just don't have the funds for ae right now
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Old 12-30-2013, 02:02 PM
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i understand that. post up where you are located, maybe another member lives close enough to help you out
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Old 12-30-2013, 02:17 PM
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well with a cheap pyro aimed at individual exhaust runners might show which cyls are misfiring if its say constant at idle, if its not too heated up and skipping, a squirt bottle, use this to see if one runner seems cooler than its neighbors. It might help direct you
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Old 12-30-2013, 02:27 PM
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Alright I will check that out, thanks!
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Old 12-31-2013, 03:00 AM
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And good luck, we're all counting on you
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Old 12-31-2013, 03:13 AM
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Look into the scan gauge 2. Its $160 off Amazon or any of the vendors here. It can monitor the 7.3 ICP eot ipr% mat and others. Also it reads codes on our trucks. To me it was money well spent

Sent from AutoGuide.com Free App
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Old 12-31-2013, 11:21 AM
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That's definately cheaper! I'll look at it thanks!
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Old 01-02-2014, 11:56 AM
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We'll my dad ended up buying the ae software with next day air for a late Christmas present, should be here in the morning so I should be able to post codes to help diagnose!
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