Truck will not start - PLEASE HELP!
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Mountain Pass
Joined: Oct 2018
Posts: 223
Likes: 34
From: Arizona
Truck will not start - PLEASE HELP!
My 2018 F150 2.7 will not start. It sounds like it's struggling to turn over and just doesn't get there. Here is a video. We have tried testing the battery at Autozone and replaced the starter (had Autozone test the new one just to confirm it worked). Any advice would be great!!!
Cross-Country
Joined: Feb 2006
Posts: 71
Likes: 0
From: ontario canada
look in your owners manual for the location of the impact sensor on your truck. that sensor is suposed to turn off your fuel pump in the event of an accident. some times it will trip if you slam your door too hard or you bump into the truck with some thing.
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Mountain Pass
Joined: Oct 2018
Posts: 223
Likes: 34
From: Arizona
Update, still down
Checked the fuses, all are okay.
Replaced the fuel relay.
No check engine light or error codes are showing.
Next, I'll replace the fuel pump, I guess. Heading to Autozone. 😞😓😩
Fleet Mechanic
Joined: Jan 2020
Posts: 1,366
Likes: 413
I am no mechanic, but certainly there are better ways to check fuel pump, that doesn't require dropping the tank, maybe disconnect under the hood and see if it pumps? My thoughts, I would quickly learn Forscan, and buy the dongle to connect laptop to obdii port. No start, it will have a code stored (and not part of the check engine light emission system) Good Luck.
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Mountain Pass
Joined: Oct 2018
Posts: 223
Likes: 34
From: Arizona
It's so strange, even checking for codes with Forscan, none show up. I'll replace the fuel pump Monday morning.
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5th Wheeling
Joined: May 2016
Posts: 41
Likes: 5
From: Olathe, Kansas
I would check that there is fuel reaching the engine before just replacing the fuel pump. Then work backwards towards the fuel pump checking the fuel filter and fuel lines for physical damage. If you got fuel at engine then it's most likely a spark issue.
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More Turbo
Joined: Jan 2008
Posts: 538
Likes: 24
From: Ojai California
very good tip ,…..I had a Ford Taurus that had the impact sensor in the trunk , and more then once it got hit by things in the trunk , just rest it and it was fine
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Mountain Pass
Joined: Oct 2018
Posts: 223
Likes: 34
From: Arizona
Still fighting
Update. Still won't start.
I am able to spray starter fluid in the intake and it will start and run as long as I keep giving it the occasional spray. When I stop it dies within a minute.
I had a buddy use a scan tool which claims the fuel pressure is at 4000 psi. Way too high. But the truck still won't start or run on its own. Any thoughts?
I am able to spray starter fluid in the intake and it will start and run as long as I keep giving it the occasional spray. When I stop it dies within a minute.
I had a buddy use a scan tool which claims the fuel pressure is at 4000 psi. Way too high. But the truck still won't start or run on its own. Any thoughts?
Fleet Mechanic
Joined: Jan 2020
Posts: 1,366
Likes: 413
Have you considered bad gas? or someone sabotaged you and added water or other to the tank? I'd be almost certain if you got a dongle, and installed Forscan on your phone or preferably laptop, there would be a code stored. imo
Lead Driver
Joined: May 2015
Posts: 5,881
Likes: 359
From: Mts. S. of San Francisco
Update. Still won't start.
I am able to spray starter fluid in the intake and it will start and run as long as I keep giving it the occasional spray. When I stop it dies within a minute.
I had a buddy use a scan tool which claims the fuel pressure is at 4000 psi. Way too high. But the truck still won't start or run on its own. Any thoughts?
I am able to spray starter fluid in the intake and it will start and run as long as I keep giving it the occasional spray. When I stop it dies within a minute.
I had a buddy use a scan tool which claims the fuel pressure is at 4000 psi. Way too high. But the truck still won't start or run on its own. Any thoughts?
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