NT wrote:

> First of all, the specs: 1989 Cherokee LTD (XJ), inline 6 cylinder, 4
> litre, with 150k Km's (ie: relatively low mileage, or more accurately
> 'kilometerage' for the year).

> I drove to Costco this morning, about a 15 km drive. Everything was
> fine on the drive there but when I started the truck up to come home
> (1/2 hour later), it was idling roughly and would stumble quite a bit
> while driving (but it didn't stall) - it felt like it wasn't running
> on all cylinders. I did make it home where I did a thorough once
> over of under hood wires and hoses and couldn't see any obvious
> problems.

How long has it been since you changed the fuel filter?

--
DougW