LT1-LT4 Modifications 1993-97 Gen II Small Block V8

car not running right - possible fuel problem?

Old Oct 1, 2005 | 11:17 AM
  #1  
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Default car not running right - possible fuel problem?

Ok well when I start my car up it will die instantly unless I give it about half of the pedal. When I press the pedal it is very very choppy then after about 2 minutes the rpms will shoot up to about 3500 or so and then it will run fine. After that I can turn it off and try to start it again and the same thing happens over and over. I just replaced the pressure regulator cause thats what I thought it could have been and it didnt help. I have also installed the new 30# injectors and a new fuel filter and it is still doing this. Any ideas guys??
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Old Oct 3, 2005 | 12:44 AM
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What all do you have done to the car? Did you get the ecm tuned for the bigger injectors?
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Old Oct 3, 2005 | 09:53 AM
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Sounds like an open loop tune issue
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Old Oct 3, 2005 | 01:09 PM
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my brother was having the same problem with his 94z and he spent a lot of money. the problem ended up being the ignition switch on the column under the dash. the part cost about 12 dollars so its a cheap part and could fix the problem but if not your not out a lot of money.
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