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Throttle body question
Thanks for all your input I appreciate it As I gain another head of steam I'll let you know what I find out Thanks again- big dady 65
- Post #10
- Forum: 1st Gen - 1997 - 2002
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Throttle body question
That's a pretty thorough re build !! The Dorman o ring I definitely put in I know that for a fact. I would have to say by the way she is performing that I do have one or more bad injectors. I'm probably going to buy new ones from Rock auto and try installing them. One thing that I failed ho...- big dady 65
- Post #8
- Forum: 1st Gen - 1997 - 2002
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Throttle body question
Yes I did use the Dorman intake replacement from Rock Auto for 149.99 I used compressed air to blow everything out prior to reinstalling everything. She fired right up but has a hesisitstion and stumbleds. Very frustrating. I did perform a smoke test on all vaccine lines and they were fine...- big dady 65
- Post #6
- Forum: 1st Gen - 1997 - 2002
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Throttle body question
I wound up changing the IAC After a smoke test I discovered it was leaking I was hoping it would make my expy run better But it hasn't Thanks for your reply I did a complete intake replacement The truck now runs like she is a cylinder down No codes in computer So electrically all the...- big dady 65
- Post #4
- Forum: 1st Gen - 1997 - 2002
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Throttle body question
On the back of my 2001 5.4 Ltr throttle body sits a plug in sensor. The one closest to the fire wall What is the name of this sensor and what does she do.- big dady 65
- Thread
- Replies: 9
- Forum: 1st Gen - 1997 - 2002
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Motor runs rough help needed
Ok thanks I'll give it a whirl- big dady 65
- Post #3
- Forum: 1st Gen - 1997 - 2002
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Motor runs rough help needed
So after a complete intake change the engine runs rough at around 1500 Rpm's No intake leaks at gaskets. No fluctuation in RPMs Definitely feels like a cylinder down. During a road test she hesitates a bit but after 2000 RPms it goes away I'm feeling it's a fuel problem. No Codes are...- big dady 65
- Thread
- Replies: 2
- Forum: 1st Gen - 1997 - 2002
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Engine runs rough
Heres another thing I sit in truck Turn on a/c run the idle up to 1700 rpm Wait a few seconds and I leave the same amount of pressure on pedal the rom drops 500 Rpm's- big dady 65
- Post #6
- Forum: 1st Gen - 1997 - 2002
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Engine runs rough
I ran the motor say around 1500 rpm and was able to go to each injector and pull off he working plug. I really didn't notice any major change in the way the motor ran at a high idle. I confirmed the injectors were working by putting a long screw driver on the metal shaft and listened for the...- big dady 65
- Post #5
- Forum: 1st Gen - 1997 - 2002
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Engine runs rough
Ok Thanks for the input cylinder balance test is next on the list- big dady 65
- Post #4
- Forum: 1st Gen - 1997 - 2002
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Engine runs rough
Ok here goes 2001 Expedition 5.4 Ltr I had to change the intake manifold on this motor due to a leak of rad fluid The swap out was not so easy but managed to install the new intake. I purchased it from Rock Auto for 150.00. Not so bad. Prior to the swap out of intakes the motor...- big dady 65
- Thread
- Replies: 5
- Forum: 1st Gen - 1997 - 2002
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Odd vibration/rattle from engine (?) on incline in higher gear
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