Recent content by Rosberg1

Here's my problem. I've got a 90 ranger with a 2.9. For some reason after driving it a ways it will miss or just fall on its face and will do it more frequently the farther I drive it. It misses a little at idle too. My check engine codes are 22,23, and 67. Which are MAP out of self test range...

I thought I had narrowed some rough idle and running rich problems to the fuel pressure regulator. I replaced the regulator with a slightly different one that has the vacuum line from the side and the truck ran beautifully for like 5 minutes and while idling it down some it died and hasn't...