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no power

  #1  
Old 07-07-2014, 01:55 PM
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94 b3000 has very little power at low rpms, it takes about 50 feet before the truck starts to gain power, then its fine until i shift to the next gear then no power for another 50 feet, the rpms dont come up even with the truck floored until the truck starts moving a little faster. once the power kicks in she climbs hills easily. new fuel pump, filter, maf sensor, someone told me its compression? if its compression wouldnt i have no power all the time? cat is clear no blocks, thanks guys...
 

Last edited by blutoboy; 07-07-2014 at 02:02 PM.
  #2  
Old 07-07-2014, 07:46 PM
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Is that the Ford Vulcan engine?
Does it misfire? How old are the spark plugs, coil pack and wires?
Are there any vacuum leaks?
Is the throttle position sensor working alright?
 
  #3  
Old 07-08-2014, 01:37 AM
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Default no power

um new plugs, wires, cap. tps not sure, no code came up for it but i will check it tomorrow, ive found a few broken vacuum lines and repaired what i found, vulcan motor? to be honest im not sure, its the stock motor on the 94 b3000. thanks for the help, ill check the tps in the morning.
 
  #4  
Old 07-08-2014, 01:40 AM
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oh and also a small miss, the engine is very slow to rev up even in neutral in the garage.
 
  #5  
Old 07-08-2014, 10:18 AM
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You say new cap. That means you have a distributor?
You have new rotor also?
How about replacing the coil?
 
  #6  
Old 07-08-2014, 10:26 AM
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If you have timing advance weights in the distributor, check to see if they are sticking and if their springs and posts are in good shape.
 
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