MPG'S HELP - Ford Powerstroke Diesel Forum
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post #1 of 12 Old 12-13-2008, 05:17 AM Thread Starter
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MPG'S HELP

UNPLUGGED EBPV, AND RUNNING 55PSI FROM THE USUAL 65PSI, FUEL MILAGE IS ONLY HALF NOW. I FILLED UP AND ABOUT 50 MILES LATER GUAGE IS JUST UNDER 3/4. SEEMS TO HAVE LESS TORQUE, BUT BETTER HORSEPOWER. I HAVE HEARD MIXED FEELINGS ABOUT JUST UNPLUGGING THE SENSOR. ANY SUGGESTIONS??

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post #2 of 12 Old 12-13-2008, 05:57 AM Thread Starter
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post #3 of 12 Old 12-13-2008, 06:25 AM
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Not sure why your only getting half the mileage. Was this before or after unplugging the ebpv? By unplugging it shouldn't have made a difference really unless your valve is or was sticking closed.

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post #4 of 12 Old 12-13-2008, 07:25 AM Thread Starter
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ITS NOT STUCK CLOSED IT WORKED PROPERLY,JUST ANNOYING. I HAVE HEARD IT THE EBPV IS A VITAL PART TO A PROPER RUNNING 7.3 I HAVE HEARD THAT ON HERE SEVERAL TIMES BUT I JUST DONT SEE WHY. IT HAS WARMED UP A LITTLE HERE AND IM GONNA PLUG IT BACK IN TODAY AND SEE IF IT HELPS, THANKS FOR THE REPLY I WAS JUST CURIOUS TO SEE IF THIS WAS COMMON OR IF I NEED TO START CHECKING THINGS OUT TODAY.I WAS GETTING ALMOST 100 MILES PER 1/4 TANK AND THIS WEEK IT IS ONLY HALF THAT.

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post #5 of 12 Old 12-13-2008, 08:10 AM
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The gauge can vary so much... if you really want accurate MPG's, calculate the actual miles, and gallons, filling up at the same pump, with the truck parked the same way, so the tank fills up the same. Something as simple as having the front of the truck slightly uphill on one fill up and slightly down the next can skew the MPG results alot... I never trust the gauge for mileage calculations, sevral times I've thougth I"d have a really low MPG tankful wasn't off as much as I thought it would be when I filled up at my normal pump and did the math...
Also, winter blend fuel, combined with extended idle time warming up in this cold weather we're having has hurt my mileage a bit lately.

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post #6 of 12 Old 12-13-2008, 08:31 AM
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First, you may be on winter fuel. Have you checked for leaks?
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post #7 of 12 Old 12-13-2008, 08:56 AM
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Quote:
Originally Posted by 19558077 View Post
UNPLUGGED EBPV, AND RUNNING 55PSI FROM THE USUAL 65PSI, FUEL MILAGE IS ONLY HALF NOW. I FILLED UP AND ABOUT 50 MILES LATER GUAGE IS JUST UNDER 3/4. SEEMS TO HAVE LESS TORQUE, BUT BETTER HORSEPOWER. I HAVE HEARD MIXED FEELINGS ABOUT JUST UNPLUGGING THE SENSOR. ANY SUGGESTIONS??
Just wanna make sure you unplugged the one on the bottom of the turbo pedistal.

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post #8 of 12 Old 12-13-2008, 01:26 PM Thread Starter
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THANKS GUYS, I CHECKED FOR LEAKS AND FOUND NONE, I PLUGGED THE SENSOR BACK IN, I HAD UNPLUGGED THE SENSOR ITS SELF AT THE TOP OF THE WATER PUMP. ITS NO BIG DEAL I JUST WANTED YOUR OPINIONS INCASE SOMETHING WAS WRONG. THE IDLE TIME WAS LESS THAN 30 MINUTES WHEN I NOTICED THE DIFFERENCE, ILL SEE WHAT IT DOES NEXT WEEK WITH IT PLUGGED BACK IN.

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post #9 of 12 Old 12-15-2008, 07:30 AM
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That plug on top of the water pump is the EBP sensor and not the EBPV solenoid actuator. Try unplugging the actual EBPV valve at the turbo base.

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post #10 of 12 Old 12-15-2008, 08:51 AM
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Also there is a little key on the left side of your key-board called "caps lock" it seems
to be stuck also..

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