Low fuel pressure warning
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Hotshot
Joined: Apr 2013
Posts: 10,118
Likes: 650
From: NH
Low fuel pressure warning
This morning...-20F. Truck plugged in all night, remote started, drove to work, everything is fine.
Remote started to leave for lunch...temps about 0F...low fuel pressure warning. Truck was idling high but running OK. Went up a steep hill and truck didn’t have as much power as usual. Dumped in Motorcraft anti gel to nearly full fuel tank and drive home.
Will all be well? Any damage to fuel system?
Remote started to leave for lunch...temps about 0F...low fuel pressure warning. Truck was idling high but running OK. Went up a steep hill and truck didn’t have as much power as usual. Dumped in Motorcraft anti gel to nearly full fuel tank and drive home.
Will all be well? Any damage to fuel system?
Elder User
Joined: Jun 2017
Posts: 685
Likes: 4
Hard to say, Troverman. I had that happen once on my 2012, went to dealer immediately to change fuel filter, found traces of ice in the filter canister along with a tiny bit of metal shavings. But, fortunately no damage done. Truck ran fine after fuel filter change. The tech told me that there may have been water in the fuel and the additives I was using saved the fuel system. I know I had plenty of anti-gel because I'm real careful about treating fuel as I look at the forecasts and begin to add anti gel ahead of the cold temps.
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Hotshot
Joined: Apr 2013
Posts: 10,118
Likes: 650
From: NH
Temps will be very cold until a week from tomorrow. Single digit highs and well below zero every night. New Years and the day before is forecast to be -20F at night again.
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Posting Guru
Joined: Mar 2006
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From: Long Island, NY
Keep up with the anti-gel. I bet as it works its way through the fuel system the fuel pressure will come back to normal. Obviously you may not have the time to wait since you are probably stuck in limp mode. In which case changing the fuel filters may jump start this process. You could also try draining the bowl and see if this helps.
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Thread Starter
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Hotshot
Joined: Apr 2013
Posts: 10,118
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From: NH
Not in limp home mode. No check engine light. Just clearly not normal power under heavier acceleration. It’s kicking down on hills it never downshifts for.
Heading to to my nearest dealer to buy the fuel filters and more anti-gel now.
Heading to to my nearest dealer to buy the fuel filters and more anti-gel now.
Posting Guru
Joined: Mar 2006
Posts: 1,275
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From: Long Island, NY
I am hoping you have a garage or a shop to work in! Just read you were in NH. It is 17f here in Long Island.... and being outside for more than 10 minutes is painful. Sunday is supposed to be a low of 5f here, so I am confident it will be well below 0f for you! I will be plugging in my truck and my boat battery tender.
Mountain Pass
Joined: Apr 2017
Posts: 102
Likes: 15
I am visiting family up in Iowa and received the same dash warning after having trouble starting the truck. I didn't look at the forecast and didn't realize the temperatures were supposed to dip into negative territory for so long. In short, I never added anti-gel. Once the truck started, I headed to the local Ford dealer to see if they had the Motorcraft anti-gel. This is a very small dealer in small-town Iowa and they did not carry the Motorcraft ant-gel. Instead, I bought the Power Service anti-gel and cetane boost all-in-one. I put some of the Power Service in the truck and filled up with the local winter blend of diesel. I haven't seen the dash warning since. I am wondering if you need the Motorcraft cetane boost as well.
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Hotshot
Joined: Apr 2013
Posts: 10,118
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From: NH
Just got back from two dealers...neither have any 2017 style filters in stock. All sold out or taken by service department since yesterday. I have one ordered for me coming tomorrow. Truck is now running well after dumping half a bottle of anti gel in and driving at 75 mph for 30 minutes. Bought two more bottles. Will change filters tomorrow to be safe. Just topped the tank with diesel and added even more anti-gel. Diesel jumped $0.10 per gallon today but gas stayed the same price. Talked to a tech at one of the dealers, he says they have changed filters on four 6.7L trucks just today that have waxed or gelled. He told me to only use the Ford anti-gel...says the 6.7L definitely doesn’t like Diesel 911.
