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

Car keeps cutting out need some help!

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Old Oct 26, 2009 | 11:24 AM
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Default Car keeps cutting out need some help!

1995 corvette auto with 90, 000 miles. I have replaced water pump, opti, iCM, PCS, Ignition Coil, wires, plugs, and my car keeps cutting out completely when I drive it. Last night it happened again and popped code 16 which is distributor Low Pulse. Can anyone help me with some advice? I'm really at a loss.
Thanx,
Rick
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Old Oct 26, 2009 | 12:32 PM
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Hi Rick - I'm working what sounds like a similar issue on my 92. Do a search for the word "Hesitates" and my thread should be the top result.
Andy
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Old Oct 26, 2009 | 12:33 PM
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Code 16 is an opti code. Check the opti's wire harness for corrosion and or a good connection.
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Old Oct 26, 2009 | 01:40 PM
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Default Idle to dead stop

I have a 93 automatic that went from idle while sitting in the driveway to a dead stop. There was no missing or rough idle, it shut off like a light switch. The engine turns over but will not fire.

Is this similar to what you experienced with the opti?
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Old Nov 1, 2009 | 05:50 PM
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I had the EXACT same problem on my 94. Turns out that the whole problem was a $41 (4 wire) wiring harness that goes from up by the passenger side fuel rail to the opti. I replaced that and it runs good as new. I now have an extra opti, PCM, ICM, coil, etc, that were never bad in the first place...........good luck.
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