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

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Old 09-27-2007, 04:00 PM
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I just replaced the fuel pump in my Lt1. Now the car feels like it lacks power and while I accelerate it pops like popcorn, and the sound speeds up with increasing rpms. I had an exhaust leak before that I haven't fixed yet, but it wasn't like this while driving prior to changing the fuel pump. Any helps or ideas would be greatly appreciated. Thanks
Old 09-27-2007, 04:31 PM
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Originally Posted by Dimitriz28
I just replaced the fuel pump in my Lt1. Now the car feels like it lacks power and while I accelerate it pops like popcorn, and the sound speeds up with increasing rpms. I had an exhaust leak before that I haven't fixed yet, but it wasn't like this while driving prior to changing the fuel pump. Any helps or ideas would be greatly appreciated. Thanks
sounds like a missfire.. check your wires and plugs
Old 09-27-2007, 04:57 PM
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its popping out of the exhaust? and where is your exhaust leak
Old 09-28-2007, 04:12 PM
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Yeah,..sounds like plugs and wires, possible the opti. Popping through the exhaust is leftover fuel being burned so your motor is not getting the full fire. Does it hesitate and skip upon throttle? If so, then you have a problem with either the opti, wires, plugs. Check all of the above.




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