power stroke runaway
power stroke runaway
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Joined: Nov 2002
Posts: 22
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From: Brimfield usa
power stroke runaway
Does anyone know what would make my power stroke 2002 f350 acelerate with out pressing gas petal?
Has anyone experianced this>? Dealer told me air in fuel line but doesnt seem right.
Thanks
Has anyone experianced this>? Dealer told me air in fuel line but doesnt seem right.
Thanks
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
power stroke runaway
A messed up accelerator pedal? It is "drive by wire"...
My diesels would spool up when running out of fuel or purging air bubbles from the lines. Kinda like when your lawn mower is about to die.
My diesels would spool up when running out of fuel or purging air bubbles from the lines. Kinda like when your lawn mower is about to die.
Posting Guru
Joined: Feb 2001
Posts: 1,465
Likes: 2
From: Indianapolis
power stroke runaway
Does the engine go to high idle and stay there or does it really "run away?" When a diesel engine "runs away" it doesn't stop until it blows (you can't stop it). Engines with a mechanical fuel injection pump were sometimes prone to this failure but the Power Stroke engine will only "run away" if the oil fill in the crankcase is grossly overfilled. It then churns up all that oil and sucks it in to the turbo inlet through the breather and runs away (turning off the key won't stop it because it is running on engine oil).
I suspect what you ment to say is it goes to high idle and stays there (about 3600 RPM) in which case you've probably got a defective throttle position sensor.
I suspect what you ment to say is it goes to high idle and stays there (about 3600 RPM) in which case you've probably got a defective throttle position sensor.
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
power stroke runaway
>>When a diesel engine "runs away" it doesn't stop until it blows (you can't stop it).
When we had diesels run away from us in the Army we would put a log book over the intake. (A log book is similar to a three-ring binder)
Killed them everytime...but once or twice...but then we were too busy running the other way!
When we had diesels run away from us in the Army we would put a log book over the intake. (A log book is similar to a three-ring binder)
Killed them everytime...but once or twice...but then we were too busy running the other way!
Posting Guru
Joined: Feb 2001
Posts: 1,465
Likes: 2
From: Indianapolis
power stroke runaway
Yes, you have to be Johnny-on-the-spot. We used to shoot a fire extinguisher into the intake to kill them. Sometimes we'd need 2 or 3 guys shooting it to kill it!!
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