C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

engine shaking

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Old Mar 31, 2003 | 12:07 PM
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tophorse's Avatar
tophorse
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From: tucson az
Default engine shaking

Hey guys. My car run ok under light load. As soon as I step accelerator heavly, the car will start to shaking (above 1800 rpm) in all gears. I check my timing light is ok (6BTDC). I just replace the TPS (throthle position sensor) and adjust to specification (0.54^0.08v at close position). I just erase my ECM memory by disconnect the negative battery. Can anyone tell me what is worng with my car. Thanks
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Old Mar 31, 2003 | 12:07 PM
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tophorse's Avatar
tophorse
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Joined: Feb 2003
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From: tucson az
Default Re: engine shaking (tophorse)

My tophorse is 87.
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Old Apr 1, 2003 | 09:17 AM
  #3  
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From: Oslo, Norway
Default Re: engine shaking (tophorse)

Hi.
There can be some fault in the coil. When you accelerate you have to have larger voltage to ignite the fuel. When the voltage increases the isolation in the coil may have been weakened so that it does not work . For this fault it is typicallythat it fails during acceleration.
If you have a possibility to change(borrowing) a coil from someone and try. It can be other things to so try and borrow for the sake of trial.
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