Need an oracle! Low speed miss on cylinder #1 only. - ZR-1 Net Registry Forums

bmarcum · 03-13-2021

I am checking the weak spark by pulling the plug wires and letting it arch to the valve cover bolts. That is how I know the spark is weak on cylinder #1. All other cylinders have great spark! Also it is intermittent so I know it is not compression. It maybe a wire, but I don't know where. I am going to check the grounds and the four wire connector to the coil plate. These is a weird one.

03-13-2021	#10
bmarcum Join Date: Oct 2018 Location: Indiana Posts: 62	Re: Need an oracle! Low speed miss on cylinder #1 only. I am checking the weak spark by pulling the plug wires and letting it arch to the valve cover bolts. That is how I know the spark is weak on cylinder #1. All other cylinders have great spark! Also it is intermittent so I know it is not compression. It maybe a wire, but I don't know where. I am going to check the grounds and the four wire connector to the coil plate. These is a weird one.

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