My '89 YJ 4.2 was doing similar
things. It turned out for me to be the
ignition module. I didn't find out till
it completely failed. In the beginning
it would just shut down. I would roll
to a stop and it would start right
up again. Till the next time!!!
Joe


"Jeff DeWitt" <JeffDeWitt@nc.rr.com> wrote in message
news:am9Dg.33775$so3.15672@southeast.rr.com...
> How long since you've replaced the fuel filter?
>
> Jeff DeWitt
>
> Mariner15 wrote:
> > Can someone point me in the right direction?
> >
> > After driving an extended distance at highway speed, my 1991 Jeep
> > Wrangler cuts off. At first it will sputter like I've put a bad tank
> > of gas in (I have ran through a couple tanks, plus put in fuel injector
> > additive and that makes no difference). Then usually a few seconds
> > later it cuts out. When I pull over it cranks right up, and runs
> > great, like nothing is wrong. Then after 20 or 30 additional miles it
> > does the same thing.
> >
> > No check engine light comes on.
> >
> > Any ideas? By the way it has the 4.0L if that makes any difference.
> >
> > Phil
> >

 

My '89 YJ 4.2 was doing similar
things. It turned out for me to be the
ignition module. I didn't find out till
it completely failed. In the beginning
it would just shut down. I would roll
to a stop and it would start right
up again. Till the next time!!!
Joe


"Jeff DeWitt" <JeffDeWitt@nc.rr.com> wrote in message
news:am9Dg.33775$so3.15672@southeast.rr.com...
> How long since you've replaced the fuel filter?
>
> Jeff DeWitt
>
> Mariner15 wrote:
> > Can someone point me in the right direction?
> >
> > After driving an extended distance at highway speed, my 1991 Jeep
> > Wrangler cuts off. At first it will sputter like I've put a bad tank
> > of gas in (I have ran through a couple tanks, plus put in fuel injector
> > additive and that makes no difference). Then usually a few seconds
> > later it cuts out. When I pull over it cranks right up, and runs
> > great, like nothing is wrong. Then after 20 or 30 additional miles it
> > does the same thing.
> >
> > No check engine light comes on.
> >
> > Any ideas? By the way it has the 4.0L if that makes any difference.
> >
> > Phil
> >

 

My '89 YJ 4.2 was doing similar
things. It turned out for me to be the
ignition module. I didn't find out till
it completely failed. In the beginning
it would just shut down. I would roll
to a stop and it would start right
up again. Till the next time!!!
Joe


"Jeff DeWitt" <JeffDeWitt@nc.rr.com> wrote in message
news:am9Dg.33775$so3.15672@southeast.rr.com...
> How long since you've replaced the fuel filter?
>
> Jeff DeWitt
>
> Mariner15 wrote:
> > Can someone point me in the right direction?
> >
> > After driving an extended distance at highway speed, my 1991 Jeep
> > Wrangler cuts off. At first it will sputter like I've put a bad tank
> > of gas in (I have ran through a couple tanks, plus put in fuel injector
> > additive and that makes no difference). Then usually a few seconds
> > later it cuts out. When I pull over it cranks right up, and runs
> > great, like nothing is wrong. Then after 20 or 30 additional miles it
> > does the same thing.
> >
> > No check engine light comes on.
> >
> > Any ideas? By the way it has the 4.0L if that makes any difference.
> >
> > Phil
> >