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'95 Jimmy 4x4 Bad Acceleration

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  #21  
Old 07-12-2017, 11:09 AM
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Originally Posted by Tynan Tha Real Dill
Do they have to be those exact bolts with the springs or just a bolt and nut ?
yes they should
auto parts store
 
  #22  
Old 07-15-2017, 12:18 PM
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Is this the Schrader valve to check the fuel pressure?
 
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  #23  
Old 07-15-2017, 12:29 PM
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Transmission must've been over filled. Dropped the pan then added 5 quarts and 24 oz of Lucas transmission fix. Acceleration is almost perfect, so I'm headed to check fuel pressure now. Then tighten those exhaust lines down. I also noticed the oil is a little over filled so I'm going to drain some out and see what that does. In case I change the oil, how many quarts at refill?
 
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Old 07-15-2017, 08:23 PM
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buy 5 but check during the 5th one
 
  #25  
Old 07-16-2017, 02:33 PM
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Originally Posted by newguy
buy 5 but check during the 5th one
Ok. And here is a video of the fuel pressure test...

 
  #26  
Old 07-16-2017, 02:40 PM
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Did you fix the twisted fuel line at the filter? If so you may have a bad fuel regulator. When you said motor oil was overfull does it happen to have a fuel smell? If the regulator is leaking externally it will go in the oil.
 
  #27  
Old 07-16-2017, 02:46 PM
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Originally Posted by Transman304
Did you fix the twisted fuel line at the filter? If so you may have a bad fuel regulator. When you said motor oil was overfull does it happen to have a fuel smell? If the regulator is leaking externally it will go in the oil.
No I haven't had the money for those pieces to build another line. I can see if I smell gas in the oil when I go to drain some in a second. Would the twisted line cause the rapid leak down on the gauge? And could that regulator leak cause my lack of acceleration?
 
  #28  
Old 07-16-2017, 02:49 PM
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Originally Posted by Transman304
Did you fix the twisted fuel line at the filter? If so you may have a bad fuel regulator. When you said motor oil was overfull does it happen to have a fuel smell? If the regulator is leaking externally it will go in the oil.
I assume the fuel filter is in working condition too.
 
  #29  
Old 07-16-2017, 07:56 PM
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The twisted line could cause the lack of acceleration and the regulator leak could cause the rapid leak down on the gauge. Your video shows an immediate jump to 60 psi. That's good pressure. Then it drops immediately. That's a failed leak down.

The next step is to test the fuel pressure and leak down at the filter. It should reach 70-100 psi and remain above 50 psi for 10 minutes. If the pressure holds above 50 psi at the filter, then the leak is in the intake. If not, the leak is in the tank.
 
  #30  
Old 07-16-2017, 08:44 PM
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Ok I'll do the test at the filter. What about the possibllity of bad o2 sensor? This guy has the same symtoms as mine...

https://youtu.be/3hznBblo0Ys
 

Last edited by Tynan Tha Real Dill; 07-16-2017 at 08:59 PM.


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