HELP PLEASE!! 99PSD WITH MULTIPLE PROBLEMS - Ford Powerstroke Diesel Forum
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Old 12-28-2008, 07:26 PM
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HELP PLEASE!! 99PSD WITH MULTIPLE PROBLEMS

OK, I STARTED THIS IN ANOTHER THREAD, BUT I WAS ASKED TO START MY OWN WITH ALL THE INFO. SO HERE IT IS, IT STARTED AFTER HURRICAINE IKE WE GOT SOME BAD FUEL. WE WERE GOING TO WORK ONE MORNING AND THE TRUCK JUST DIED ON US WHILE WE WERE PULLING UP TO A STOP SIGN. AFTER ABOUT AN HOUR WE WERE ABLE TO START THE TRUCK. MY FATHER CHANGED THE FUEL FILTER AND WE THOUGHT THE PROBLEM WAS FIXED. WELL THEN ABOUT A WEEK LATER I WAS TURNING ONTO A STREET AND THE TRUCK DIED ON ME AGAIN! MY HUSBAND NOTICED THAT MY FATHER HAD PUT THE WRONG FUEL FILTER IN. HE REPLACED IT AND ALSO NOTICED THAT THE PREHEAT PLUG WAS KNOCKED LOOSE. THE BRACKET THAT HOLDS THE PLUG IS BROKE. I THINK MY HUSBAND HAS ALREADY FIXED THAT, BUT NOW THE TRUCK IDLES ROUGH FROM TIME TO TIME, START UP BLOWS WHITE SMOKE, BUT CLEARS OUT. WHEN DRIVING TRYING TO STAY AT 50 MPH IT STARTS TO BLOW WHITE SMOKE AGAIN, BUT YOU CAN INCREASE SPEED AND IT QUITS. IT ALSO SEEMS LIKE IF YOU TRY TO STAY AT 50MPH IT LOOSES, NOT SO MUCH POWER, BUT LIKE THE RPMS ARE BEING CHOKED OFF. WE HAVE RAN DIAGNOSIS ON IT WITH A SUPERCHIP MICRO TUNER AND WE RECIEVED TWO CODES: 0472=EBP CIRCUIT OUT OF RANGE LOW, AND 0475.
WHEN I LOOKED UP 0475 THERE WAS TWO OF THEM 0475{2} AND 0475{3}.
0475{2} = EPR CIRCUIT FAULT, 0475{3} = EP CONTROL VALVE MALFUNCTION. WHAT I WOULD LIKE TO KNOW IS DOES IT SEEM LIKE I NEED TO HAVE THE SENSOR REPLACED, OR SOMETHING TO DO WITH THE EXAUST(EITHER CLEANED OR REPLACED)? OR IS THERE SOMETHINGELSE?
THANK YOU FOR ALL OF YOUR HELP!!

THE CODES I FOUND WERE ON TROUBLECODES.NET
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Old 12-28-2008, 07:41 PM
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I am leaning towards the CPS. very common with the stalling.
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Old 12-28-2008, 07:46 PM
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BUT WHAT ABOUT THE WHITE SMOKE AND THE CODES? THE TURBO WAS REPLACED MAYBE ABOUT A YEAR AGO, WOULDN'T THE CPS HAVE BEEN CHECKED THEN? OR HAS THE RECALL BEEN HERE RESENTLY?
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Old 12-28-2008, 07:50 PM
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ya check or replace the cps

cps can cause it to die
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Old 12-28-2008, 07:52 PM
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I have heard that ford will not do the recall unless you specifically ask them to check it out. so if your truck had a turbo done, chances are that ford mechanics didnt pay attention to it at that time. Do you know where the cps is? if you do, look at it. I believe the new one is grey colored. A faulty CPS will do most of the sympoms you have explained.
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Old 12-28-2008, 07:57 PM
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as far as I know if the cps goes bad it will stop running and there wont be no other symtoms. so I would not think it is the cps.
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Old 12-28-2008, 08:01 PM
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WHERE IS IT LOCATED? I AM SURE MY HUSBAND KNOWS, BUT HE IS WORKING OUT OF TOWN!
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Old 12-28-2008, 08:02 PM
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on the front of the block, the left side of the harmonic balancer
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Old 12-28-2008, 08:03 PM
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IF NOT THE CPS, THEN WHAT ELSE?
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Old 12-28-2008, 08:04 PM
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I AM GOING TO SOUND DUMB, BUT CAN YOU BE A LITTLE MORE SPECIFIC? I AM NOT A MECHANICAL KIND OF WOMAN!
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