engine shuts down while driving
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New User
Joined: Nov 2008
Posts: 20
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From: west Ga
engine shuts down while driving
ok. i am hoping someone has delt with this and can tell me what they did to fix it. i can be driving and the truck shuts off and engine goes to idle and until i let off the gas and then when i get back on it it picks right back up. when it does this at idle the engine dies. check engine, water in fuel, and glow plug lights all come on for about 3-5 seconds. if it dies it has always fired right back up. it seems to me that the pcm looses power intermitantly or something is shorting out. has anyone had to deal with a problem like this? btw: i have noticed this mainly when the truck is cold.
Lead Driver
Joined: Jan 2007
Posts: 6,708
Likes: 5
From: Kiowa CO
Welcome to FTE.
What year of truck do you have? Do you have any kind of mods (chip, tuner etc)?
Can be a couple of things but a faulty Cam Position Sensor (CPS) is the most common problem:
Welcome to guzzle's CPS R&R Web Page
There is also a problem with the throttle pedal assembly which makes the truck go to idle. i'll snoop around for a link for that one.
What year of truck do you have? Do you have any kind of mods (chip, tuner etc)?
Can be a couple of things but a faulty Cam Position Sensor (CPS) is the most common problem:
Welcome to guzzle's CPS R&R Web Page
There is also a problem with the throttle pedal assembly which makes the truck go to idle. i'll snoop around for a link for that one.
Thread Starter
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New User
Joined: Nov 2008
Posts: 20
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From: west Ga
it is a 03'. F350. it has a banks chip in the side of the ecm. it is a very small chip i think it is like 45lb tq. that is all. yes i have replaced the sensor on the front of the engine with a new ford one. i also had a icp sensor so i threw it on there just for fun. neither one helped.
Lead Driver
Joined: Jan 2007
Posts: 6,708
Likes: 5
From: Kiowa CO
You may want to pull the chip and run the truck stock to rule out a bad chip or connection.
Here's an old thread on the throttle position sensor:
https://www.ford-trucks.com/forums/2...on-sensor.html
Here's an old thread on the throttle position sensor:
https://www.ford-trucks.com/forums/2...on-sensor.html
Thread Starter
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New User
Joined: Nov 2008
Posts: 20
Likes: 0
From: west Ga
the truck acts the same way if you flip the ign. switch off and back on really fast. except all lights (abs, brake ect) come on. thats why i think the ecm/pcm is all that is powering down. i will remove the chip.
