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2002 7.3 intermittently running rough

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Old Jan 18, 2019 | 09:05 PM
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Brookloving's Avatar
Brookloving
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2002 7.3 intermittently running rough

I'm not sure what is going on I just purchased truck it was running fine a decided to put hot shot fuel additive in and a day later truck ideals fine starts fast but under load shakes and runs rough but not all the time. The service light never comes on.
 
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Old Jan 18, 2019 | 11:44 PM
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Welcome to FTE. In the future post in the 99-03 7.3L forum:https://www.ford-trucks.com/forums/forum31/

A fuel gauge would help with diagnosis. How full is the tank? Any other work done to the truck?
 
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Old Jan 19, 2019 | 06:43 AM
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Originally Posted by Colorado350
Welcome to FTE. In the future post in the 99-03 7.3L forum:https://www.ford-trucks.com/forums/forum31/

A fuel gauge would help with diagnosis. How full is the tank? Any other work done to the truck?
Sorry, fuel tank is half full the guy I bought it from said the fuel pump hab been changed, the pickup in tank was changed, but I didn't see receipts also the cam shaft sensor was changed.
 
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Old Jan 19, 2019 | 11:16 AM
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Originally Posted by Brookloving
Sorry, fuel tank is half full the guy I bought it from said the fuel pump hab been changed, the pickup in tank was changed, but I didn't see receipts also the cam shaft sensor was changed.
When he change the camshaft sensor did he use OEM? These trucks do not like aftermarket sensors at all!
 
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Old Jan 19, 2019 | 11:27 AM
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I'm not sure I will check it out it start fast even cold so I wasn't sure if that was it.
 
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Old Jan 19, 2019 | 12:07 PM
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Could be the fuel pressure regulator. They seem to have trouble along with fuel pump problems.
 
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