Re: JPOR: Engine trouble

["Glenn Short" <gjshort@xxxxxxxxxx>]

        Could it be a bad Cat?

    Glenn
-
"Leave the beaten track occasionally and drive into the woods. You will be
certain to find something you have never seen before."
Alexander Graham Bell
Glenn Short                                  gjshort@netins.net
Monmouth,Ia                               Tri-State Stump Jumpers
----- Original Message -----
From: Chris Waterman <Chris_Waterman@pmc-sierra.com>
>
> Got a problem that's come up recently with the 5.0L (EFI) in
> my YJ.  Sometimes, when I start the engine after it's been off
> for a little while (still warm), the truck will be almost
> paralyzed.  Idles fine, but give it any gas and the engine bogs
> down almost right away.  No power at all...  VERY annoying.
>
> When it's cold, the Jeep runs fine.  A bit less power than I'm
> used to, but no bogging.  It continues to run fine until I shut
> it down.  This problem has only recently cropped up, so I don't
> really know the symptoms too well yet.
>
> My first thought when the bogging began was the fuel pump.
> Replaced the pump (and pressure regulator) but no dice.
>
> Anyone???  Does this sound like vapour lock at all?  My exhaust
> and fuel lines are nowhere near each-other, but I'm running out
> of ideas!
>
> TIA,
> Chris (It's an injected 5.0L, BTW)