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99 V10 runs rough with 1/2 tank of gas

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99 V10 runs rough with 1/2 tank of gas

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  #16  
Old 10-02-2013, 08:30 AM
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I am now driving the truck with this intermitent problem that is worse with a low tank of gas and when the ambient temp is higher.
If you let the truck sit for a while after it starts to misfire. Does it miss less when you start it up and drive again?
 
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  #17  
Old 10-02-2013, 09:00 AM
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No, only real consistent way to make better is fill up the tank.
 
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Old 11-15-2013, 08:06 AM
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I took the truck to my local mechanic and he found the injector wire for the #1 cylinder was loose.
I am not sure how those symptoms pointed to that as the problem.

Truck runs great now thanks for the help.
 
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Old 11-15-2013, 10:19 AM
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Originally Posted by dkf View Post
These trucks don't throw misfire codes very easy, thus I am not surprised you did not get any.
At 40k miles I had two cop and one plug go bad. I had to downshift and hold it wide open to climb a small hill at 35mph and it never threw a code. The dealer ran a scan and found which ones went bad.
 
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