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94 pontiac firebird loss of power

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MCJ
New User

Nov 9, 2007, 11:00 PM

Post #1 of 6 (4242 views)
  post locked   94 pontiac firebird loss of power  
I got a 1994 firebird 3.4l V6, it wase running ok and all of a sudden it feels like im pulling a load/trailer there is a loss of power when i go to accelerate, and the car starts to shake when i cruse like at 45mph. i got new plugs and plug wires. im pruty shure it's in the engine cuse when i rev the engine in neutral i feel the lag


(This post was edited by MCJ on Nov 10, 2007, 12:12 PM)


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Nov 10, 2007, 4:45 AM

Post #2 of 6 (4239 views)
  post locked   Re: 94 pontiac firebird loss of power  
Any codes to help? Did old plugs look uniform? The "all of a sudden" part makes me think there is a fuel pressure/volume problem. Exhaust restriction robs power but that's usually smooth about it,

T



MCJ
New User

Nov 10, 2007, 12:11 PM

Post #3 of 6 (4234 views)
  post locked   Re: 94 pontiac firebird loss of power  
its a obd1 but i cant get no codes the computer wont reply back. it neaver did i got 3 ecm for it. there wase nuthing odd about the plugs all were good.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Nov 10, 2007, 2:34 PM

Post #4 of 6 (4227 views)
  post locked   Re: 94 pontiac firebird loss of power  
Ok: I'd move on to fuel pressure check and check out exhaust restriction,

T



mike0981
New User
mike0981 profile image

Apr 16, 2013, 5:57 PM

Post #5 of 6 (3384 views)
  post locked   Re: 94 pontiac firebird loss of power  
my 95 was doing that ended up being a bad cylinoid


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Apr 16, 2013, 6:27 PM

Post #6 of 6 (3380 views)
  post locked   Re: 94 pontiac firebird loss of power  
This thread is over 5 years old. Please read the FORUM RULES before posting.



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