I finally figured out where the diagnostic box was. Here is what I did.

I plugged it into slot 2 and it returned "111".

I plugged it into slot 6 and it returned "144."

Should I plug it into any other slots? Thoughts on the "144"?

Thanks!

Thanks for the reply. Do you have a diagram for the 940 that shows exactly where this onboard diagnostic tool is? I was looking under the hood without success today. Unfortunately, I am pretty inexperienced with this type of thing.

Thanks.

Hi folks: Just yesterday our 940 with 168k started exhibiting erratic behavior. Our RPMs will drop to 0 and we will get no response from the engine for a few seconds and then it will jump back. About 10% of the time the engine won't come back and we will glide to a stop. It seems to happen at all sp...