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I have a 97 7.3 e350 my truck has been running good until…

Customer Question
Hi I have a 97...
Hi I have a 97 7.3 e350 my truck has been running good until the cold weather set in and now when I take off it sort of Boggs down until I get moving then I can feel the turbo kick in and it runs normal until I stop again I replaced fuel and air filters
Submitted: 5 months ago.Category: Ford
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Answered in 33 minutes by:
12/15/2017
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago
Gabriel Grey
Gabriel Grey, Auto Service Technician
Category: Ford
Satisfied Customers: 447
Experience: Master Service Technician
Verified

Good afternoon, I hope you are doing great. My name is***** am a Ford technician and would be happy to assist you with this today.

Does the truck currently have the check engine light on?

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Customer reply replied 5 months ago
Not that I see but the dash has been replaced and I'm not sure of the light works I have another 7.3 and it did the same thing and I changed fuel filter and it fixed it will cold weather make a bad injector act worse. It's driving me crazy
Customer reply replied 5 months ago
It ran perfect till it got cold like below 40 degrees
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago

Yeah if there is a bad injector it will act alot different when cold. Are the glow plug kicking on right away?

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Customer reply replied 5 months ago
Well that's the next thing I got a new relay for the glow plugs which I'm putting on tonight because when it's cold it will blow white smoke for about a min then clears up so I figured the relay is bad
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago

Okay let's start with the relay and see how that improves things. Let me know the results once you get that installed

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Customer reply replied 5 months ago
Ok I just figured that the relay and glow plugs were for just starting the truck
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago

That is there main purpose, to assist in warming the cylinders so that it starts/runs easier when cold. If they aren't firing up quick enough and the truck gets a rough start it will take a few minutes to clear out

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Customer reply replied 5 months ago
Ok I will put it in tonight and get back to you I ussally let it warm up for a good 20 min and I plug in the block heater overnight and which it won't smoke when I start it with it plugged in thanks
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago

Alright as long as your doing that then I doubt it is going to only be a glow plug issue, but get that swapped out anyways and then try to drive it. If the problem persists the the next places I would be checking is the ebp sensor and the fuel pressure regulator. I've seen cold start issues with both before

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Customer reply replied 5 months ago
Ok thanks
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago

You're welcome. Let me know when you're ready to pick back up on this if you still need any help :)

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Customer reply replied 5 months ago
Hi there I'm putting everything back together now I will have a update within the hour thanks
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago

Okay great!

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Customer reply replied 5 months ago
Well the relay didn't change anything it still smokes when I start it
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago

Okay I see. Next place I would check is the EBP sensor and tube for any blockage

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Customer reply replied 5 months ago
Where is that located
Customer reply replied 5 months ago
Ok thanks I will let you know when I get it on
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago

Okay great

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Customer reply replied 5 months ago
I don't see that sensor in that location
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago

Okay if it is not there then it will be the retrofit style, most likely because it is a van. The tube should be mounted at the back of the left hand exhaust manifold

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Customer reply replied 5 months ago
Ok thanks should I take off tube and clean it out before changing sensor
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago

Yeah that is what I like to try first. Make sure that it is not plugged up at all

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Customer reply replied 5 months ago
Ok
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago

Let me know what ya find

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Customer reply replied 5 months ago
Hi I'm sorry I haven't got back to you i had a funeral yesterday and no time today to get it off but tomorrow I will definitely get off and get back to you
Ford Mechanic: Gabriel Grey, Auto Service Technician replied 5 months ago

Not a problem at all, take your time and get back to me when you are able. Have a good night :)

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Customer reply replied 5 months ago
Thank you for your patience
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Gabriel Grey
Gabriel Grey
Gabriel Grey, Auto Service Technician
Category: Ford
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