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

Help chasing misfire after 'repair'

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Old Apr 6, 2011 | 07:02 PM
  #21  
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tlong
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Default Fixed!

Great big thanks to Kevin at Buyavette in Atlanta. The idiots at the initial shop that replaced the head gaskets wired 6 of the 8 injectors wrong. Also a wire was broken in the harness on the one that was right.

This was only addressed with a P0300 random cylinder misfire. We assumed that a shop would replace the clips on the proper injectors. Fools! It took hours of diagnosis but that was it. I don't see how it ran at all! Good idle until closed loop and the PCM started freaking on fuel trims.

I put a new opti, wires, injectors and other ignition parts chasing this. Now the car runs far better than ever. The incompetent clowns will never see a dime of the $2,000 they charged. I might sue their pants off for my trouble and additional charges at two other shops.

All is well in the garage after 3 months. The folks at Buyavette are top notch and have a fantastic facility if you are shopping for a new Vette. That '63 was calling my name...
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Old Apr 7, 2011 | 05:49 AM
  #22  
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Are you sure you didn't cross plug wires 1 abd 8
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