95 7.3 powerstroke help!!!!!! - Ford Powerstroke Diesel Forum
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Old 11-03-2013, 04:34 PM
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95 7.3 powerstroke help!!!!!!

I have a 95 7.3 I recently got, and when I got it the guy said it needed an hpop, so trying to avoid spend that kind of money I got to looking at smaller things and found oil in the fuel bowl, so I replaced injector o rings, and fuel filter. it ran good before doing this, just had a super hard start. well now it starts normal and runs good cold, just hazing while its cold, but the warmer it gets, the rougher it gets. it starts to bellow white smoke with puffs of black, and idle goes up and down. it developes a knock and klank and tick and smokes so bad you cant see behind you. before it would even run it would only run for about 30 seconds after I did the injectors. now it'll run but like I said it gets rough. also it blows diesel out the exhaust the more it runs the more it blows. I just need some ideas on what to try from here.
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Old 11-06-2013, 09:00 PM
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You know there comes a time when the only thing that will help is good ol dynamite.
To the top !!!
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Old 11-07-2013, 04:10 AM
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Did you inspect or test your injector cups?

sent from a hand held computer that I don't know how to use.
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Old 11-07-2013, 05:17 AM
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First thing I'd do is monitor the reading from the EOT sensor as it warms up. If it's not properly reporting the engine's rising temperature, the PCM may be continuing to run the engine assuming that it's still cold.
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Old 11-07-2013, 04:37 PM
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Quote:
Originally Posted by madpogue View Post
First thing I'd do is monitor the reading from the EOT sensor as it warms up. If it's not properly reporting the engine's rising temperature, the PCM may be continuing to run the engine assuming that it's still cold.
Not sure what the EOT is.
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Old 11-07-2013, 07:01 PM
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Engine Oil Temperature Sensor. Tells the PCM how hot the engine is. The PCM uses that to determine engine running parameters - injection timing, injector pulse time (which effectively determines how much fuel is delivered with each injection), etc. Those settings are completely different from a cold engine vs. a hot one. So if the EOT isn't properly reporting the temperature, and the PCM is still feeding the engine as if it's cold when it's hot, it will run fine cold, run lousy when hot.
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Old 11-08-2013, 01:32 PM
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Where is that located and how can I test it?
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Old 11-12-2013, 05:43 PM
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Located in the back of the hpop 1" size on the sensor and you need a way to read volts to check it. There's a post out there somewhere that tells you what volts=what temp and you can match it from there.
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Old 11-12-2013, 06:46 PM
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You can also measure it based on resistance. Or get the reported temperature via a live data reader.
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