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1994.5 - 1997 7.3L Power Stroke Diesel  

Check engine light when pedal is pressed

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Old Oct 13, 2020 | 07:26 PM
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Check engine light when pedal is pressed

Hey everyone, new here but, i have a 97 7.3 f250 and almost everytime i press the gas pedal the check engine light comes on and I have no power. It doesnt do it everytime but it does it quite a bit. Have no clue what could be causing it, so any help will be greatly appreciated.
 
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Old Oct 13, 2020 | 07:45 PM
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We have no clue, either. But if you had the codes read we would be able to point you in the right direction.
 
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Old Oct 13, 2020 | 08:20 PM
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Originally Posted by Mark Kovalsky
We have no clue, either. But if you had the codes read we would be able to point you in the right direction.
It doesnt show any code numbers when the light comes on which i thought was also weird. Because what check engine light doesnt have a code that goes with it.
 
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Old Oct 13, 2020 | 09:03 PM
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If your scan tool isn't showing any codes it means you need a better scan tool.

Forscan works great for this. You can download it free at www.forscan.org. You'll need an ELM327 adapter which can be had from Amazon for less than $30.
 
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Old Oct 14, 2020 | 12:21 PM
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Originally Posted by Mark Kovalsky
If your scan tool isn't showing any codes it means you need a better scan tool.

Forscan works great for this. You can download it free at www.forscan.org. You'll need an ELM327 adapter which can be had from Amazon for less than $30.
found another thread that had the same issue and found out its my sensor on the pedal that went bad. Got a new pedal coming in, but will definitely look into that forscan and adapter for future ussues. Thanks.
 
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Old Oct 15, 2020 | 11:56 AM
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My 94.5 would do the same thing on occasion. Id pull over and wiggle the connector at the pedal, and be back to driving. I reckon that it would get hit by my foot or something. Havent had an issue in a while. Was cheaper than a new pedal assy.
 
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Old Nov 9, 2025 | 12:21 AM
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Dead petal

My truck will idle great but no petal acceleration iv replaced the hole petal assembly and still nothing help
 
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Old Nov 9, 2025 | 12:57 PM
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Welcome to FTE. Probably need to start a new thread with your question so you can get the help you need.

if it starts and idles fine but the throttle won’t work. Either the pedal is dead or the IVS (idle validation switch) is not working.
 
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