6.2 long start
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3rd Gear
Joined: Jul 2025
Posts: 3
Likes: 0
6.2 long start
So I have read a lot on the 6.2 fuel pump going out. I understand that I can lose prime. Mine starts perfect every morning and if left for enough time, it will always start. Or short stops at a gas station it always starts. It’s is between those times that it has the long crank. Like shutting it off for 20 minutes.My question is should I fear the fuel pump going out or is it just something I need to put up with?
Cross-Country
Joined: Aug 2022
Posts: 70
Likes: 24
As far as I've heard nobody with this symptom has ever had the fuel pump "die", it's just annoying having the long crank when it sits for a bit. My 2019 has been doing it for over a year now, and I do plan to change it soon, but it's never not started or died on me.
Trailering
Joined: Sep 2023
Posts: 17
Likes: 20
From: Central Texas
So I have read a lot on the 6.2 fuel pump going out. I understand that I can lose prime. Mine starts perfect every morning and if left for enough time, it will always start. Or short stops at a gas station it always starts. It’s is between those times that it has the long crank. Like shutting it off for 20 minutes.My question is should I fear the fuel pump going out or is it just something I need to put up with?
A). When cold, starts perfectly.
B). When hot, and been sitting less than 1 hour, starts fine.
C). When hot, but allowed to cool overnight, starts fine. Doesn't sound like a bad check valve in the fuel pump.
D). When hot, sits for 2 to 3 hours. If I cycle the key 4 to 5 times before starting, starts fine. So what's happening? Has the fuel vaporized and the key cycle re-pressurizes the line?
For me, this problem has been just a frigg'n annoyance. It has not affected how the engine runs once started.
Cross-Country
Joined: Jul 2009
Posts: 51
Likes: 10
These were the exact symptoms mine experienced and changing the fuel pump has cured them. For now ......... If you plan on doing it yourself, run out as much fuel as possible (and a little more) before starting the repair.
Cross-Country
Joined: Sep 2022
Posts: 95
Likes: 46
My 2017 has been doing it forever. It's annoying but I don't want to drop the money on a new pump when this one is still working. I have found in times you think it will do the long crank you can cycle the key twice and it generally wont do the long crank.
What I typically do is get in cycle the key once to accessories, leave it there and put on my seat belt then cycle it off then back on again.
What I typically do is get in cycle the key once to accessories, leave it there and put on my seat belt then cycle it off then back on again.
Official Ford Pro Rep
Joined: Feb 2023
Posts: 1,349
Likes: 1,283
So I have read a lot on the 6.2 fuel pump going out. I understand that I can lose prime. Mine starts perfect every morning and if left for enough time, it will always start. Or short stops at a gas station it always starts. It’s is between those times that it has the long crank. Like shutting it off for 20 minutes.My question is should I fear the fuel pump going out or is it just something I need to put up with?
Tuned
Joined: May 2007
Posts: 277
Likes: 37
From: Littleton, CO
My 2019, with about 137K miles, has this problem. The ONLY time it occurs is when the engine has been brought to full operating temps, then sits for 2 to 3 hours. When this occurs, the engine gasps and struggles to start. The more "heat soaked" the engine, the harder the start. Once started, it runs perfectly.
A). When cold, starts perfectly.
B). When hot, and been sitting less than 1 hour, starts fine.
C). When hot, but allowed to cool overnight, starts fine. Doesn't sound like a bad check valve in the fuel pump.
D). When hot, sits for 2 to 3 hours. If I cycle the key 4 to 5 times before starting, starts fine. So what's happening? Has the fuel vaporized and the key cycle re-pressurizes the line?
For me, this problem has been just a frigg'n annoyance. It has not affected how the engine runs once started.
A). When cold, starts perfectly.
B). When hot, and been sitting less than 1 hour, starts fine.
C). When hot, but allowed to cool overnight, starts fine. Doesn't sound like a bad check valve in the fuel pump.
D). When hot, sits for 2 to 3 hours. If I cycle the key 4 to 5 times before starting, starts fine. So what's happening? Has the fuel vaporized and the key cycle re-pressurizes the line?
For me, this problem has been just a frigg'n annoyance. It has not affected how the engine runs once started.
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Mountain Pass
Joined: Aug 2006
Posts: 193
Likes: 2
My 2019, with about 137K miles, has this problem. The ONLY time it occurs is when the engine has been brought to full operating temps, then sits for 2 to 3 hours. When this occurs, the engine gasps and struggles to start. The more "heat soaked" the engine, the harder the start. Once started, it runs perfectly.
A). When cold, starts perfectly.
B). When hot, and been sitting less than 1 hour, starts fine.
C). When hot, but allowed to cool overnight, starts fine. Doesn't sound like a bad check valve in the fuel pump.
D). When hot, sits for 2 to 3 hours. If I cycle the key 4 to 5 times before starting, starts fine. So what's happening? Has the fuel vaporized and the key cycle re-pressurizes the line?
For me, this problem has been just a frigg'n annoyance. It has not affected how the engine runs once started.
A). When cold, starts perfectly.
B). When hot, and been sitting less than 1 hour, starts fine.
C). When hot, but allowed to cool overnight, starts fine. Doesn't sound like a bad check valve in the fuel pump.
D). When hot, sits for 2 to 3 hours. If I cycle the key 4 to 5 times before starting, starts fine. So what's happening? Has the fuel vaporized and the key cycle re-pressurizes the line?
For me, this problem has been just a frigg'n annoyance. It has not affected how the engine runs once started.
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Cargo Master
Joined: Jul 2003
Posts: 3,358
Likes: 250
We have two 2019 F250s at work that both have the hard start issues. They are terrible and will time out frequently and need another turn of the key then stumble for a couple seconds after starting but have never left us stranded. I tried to get the boss to replace the fuel pump but nothing has happened yet, I bet if he had to drive them around it would get fixed ASAP.
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