2004 F-250 with error codes
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3rd Gear
Joined: Dec 2023
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2004 F-250 with error codes
Working on an 2004 F-250 super duty and I got 2 codes, P1504 and P1120, I put a new IAC valve on ii, the code came right back, and the TPS code never went away, can someone guide me in the direction i need to go please?
Thanks.
Will
Thanks.
Will
Last edited by wildud57; Dec 28, 2023 at 08:43 AM. Reason: wasn't worded correctly
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 23,174
Likes: 1,678
From: Stephensville WI
Welcome to FTE.
I took your post out of the new user thread and started a new thread for you. Your question is too important to be buried in another thread.
Good luck with your repairs!
I took your post out of the new user thread and started a new thread for you. Your question is too important to be buried in another thread.
Good luck with your repairs!
FTE Community Team
Joined: Jan 2019
Posts: 10,719
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P1504: Intake air control circuit malfunction
P1120: Throttle position sensor out of range
With the engine stopped and ignition on, I would watch the throttle position with a good scanner or TorqueOBD2 as I slowly pressed the accelerator pedal down and up and see if the telemetry looks sane or not. I bet it will not look sane. If this is the case, replace the TPS and see what happens. We'll also need to know more about your vehicle to help with troubleshooting, such as what engine it has, transmission too, and how many miles it has on it.
P1120: Throttle position sensor out of range
With the engine stopped and ignition on, I would watch the throttle position with a good scanner or TorqueOBD2 as I slowly pressed the accelerator pedal down and up and see if the telemetry looks sane or not. I bet it will not look sane. If this is the case, replace the TPS and see what happens. We'll also need to know more about your vehicle to help with troubleshooting, such as what engine it has, transmission too, and how many miles it has on it.
Thread Starter
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3rd Gear
Joined: Dec 2023
Posts: 3
Likes: 4
P1504: Intake air control circuit malfunction
P1120: Throttle position sensor out of range
With the engine stopped and ignition on, I would watch the throttle position with a good scanner or TorqueOBD2 as I slowly pressed the accelerator pedal down and up and see if the telemetry looks sane or not. I bet it will not look sane. If this is the case, replace the TPS and see what happens. We'll also need to know more about your vehicle to help with troubleshooting, such as what engine it has, transmission too, and how many miles it has on it.
P1120: Throttle position sensor out of range
With the engine stopped and ignition on, I would watch the throttle position with a good scanner or TorqueOBD2 as I slowly pressed the accelerator pedal down and up and see if the telemetry looks sane or not. I bet it will not look sane. If this is the case, replace the TPS and see what happens. We'll also need to know more about your vehicle to help with troubleshooting, such as what engine it has, transmission too, and how many miles it has on it.
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 23,174
Likes: 1,678
From: Stephensville WI
Thank you very much for the reply, i did replace the both the TPS and IAC valve, i got to thinking about a mouse having fun chewing wires, i found several wires chewed on the driver side inner fender, repaired all them and still had issues, i searched more and found a white and green wire chewed at the main engine harness on the left front of the engine, repaired both and wa laa!! my issues are now gone!! Thanks everyone, I hope this may help someone else!
Logistics Pro
Joined: Jan 2010
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Thank you very much for the reply, i did replace the both the TPS and IAC valve, i got to thinking about a mouse having fun chewing wires, i found several wires chewed on the driver side inner fender, repaired all them and still had issues, i searched more and found a white and green wire chewed at the main engine harness on the left front of the engine, repaired both and wa laa!! my issues are now gone!! Thanks everyone, I hope this may help someone else!
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