2002 Envoy 4200 running badly. So I changed out the plugs and replaced three COP's. It is now running good.
My question is, I checked the ohms reading on all 6 existing COP's; which ran from 10 ohms to 196 ohms. The new COP's ran between 16-35 ohms. I looked for a chart, and haven't found anything. I would imagine that the COP with the 196 ohm reading, might be out of range, but I don't know.
My question is, I checked the ohms reading on all 6 existing COP's; which ran from 10 ohms to 196 ohms. The new COP's ran between 16-35 ohms. I looked for a chart, and haven't found anything. I would imagine that the COP with the 196 ohm reading, might be out of range, but I don't know.