so I have a 1994 z28 m6 ..had a few leaks I couldn't find ...power steering
oil and coolant...washed it fixed leaks it wouldn't run for 3 days ...now I drove it for 3 blocks it ran fine then back fire in the intake if you touch gas..high idle and runs soooooo rough...I know I got opti wet but if I broke it I would need to replace it because it wouldn't run at all right? also cleaned all sensors top and bottom..and I have a code light and no scanner

 

Since you got it wet, I would replace it. My pin to drive the opti was to short and it still ran.

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don't know it its wet....wet ones have no spark yah?

 

I'm not an expert in how they work but I know if mine was wet it would be replaced.

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What does "washed it" mean? Without a way to scan you have to guess. My best advice is to get a scan solution.

 

only way id wash an lt1-4 car with opti was to put a bag over it and use the small steam machines like u see on tv witch walmart sells online ..

 

solved!!! plug on top of opti was full of oil/water cleaned connection and it rapes!!