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TPS problem, now no start

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Old Oct 4, 2013 | 10:19 AM
  #1  
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cpl624
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TPS problem, now no start

Over the last 3 months I began getting the TPS warning light on the dash if I drove more than 30 minutes. Truck never had driving issues, but I changed the TPS and pedal assembly anyways. Warning light would still appear. Over the last 3 days the RPM's would surge while driving, especially at stop lights. They would go down, never surge up. The problem got worse and this morning I pulled into my trusted mechanic. He said, I have no idea, take it to Ford. I go to leave and now the truck won't start.

I believe it is a wiring problem. Is there a place where the wiring harness for the TPS rubs and grounds out on a usual basis? Or, does anybody else have any suggestions? Any help would be appreciated, as I currently have a really nice lawn ornament.

2005 F350 6.0 Crew Cab Lariat long bed
105k miles
 
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Old Oct 4, 2013 | 10:45 AM
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BLADE35
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From: Saratoga Springs,UT
Post the Exact DTC

Do you have a Gauge??
 
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Old Oct 4, 2013 | 10:50 AM
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mustang_309
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From: South Weber, Utah
Originally Posted by cpl624
Over the last 3 months I began getting the TPS warning light on the dash if I drove more than 30 minutes. Truck never had driving issues, but I changed the TPS and pedal assembly anyways. Warning light would still appear. Over the last 3 days the RPM's would surge while driving, especially at stop lights. They would go down, never surge up. The problem got worse and this morning I pulled into my trusted mechanic. He said, I have no idea, take it to Ford. I go to leave and now the truck won't start.

I believe it is a wiring problem. Is there a place where the wiring harness for the TPS rubs and grounds out on a usual basis? Or, does anybody else have any suggestions? Any help would be appreciated, as I currently have a really nice lawn ornament.

2005 F350 6.0 Crew Cab Lariat long bed
105k miles
There actually is a spot where a wiring harness rubs on/near the steering column, here is a link to the common wire chafe points, it is located in the PDF manual link in the tech folder, https://www.ford-trucks.com/ford-man...re_chafing.pdf
 
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Old Oct 4, 2013 | 11:34 AM
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cpl624
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Blades 35

BLADE35
I don't know what you are asking for. Sorry, still kind of new here.

I don't have a gauge or scanner.
 
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