|
Re: Truck has started running rich & terrible MPG
I only mention this because it happened to me once.
On the back of that cheap tach you have, should be some sort of switch. This selects 4, 6 and 8 cylinder engines. You may have to Google the brand to find out more info, but I had one set for a 6 cylinder by mistake, and got crazy high readings like you.
I might be all wet, but it's worth a look...
Jerry
|