RE: JPOR: Engine trouble

[CONWAY@xxxxxxx]

Since it's an EFI 5.0, have you pulled any diagnostic codes from the computer?


> -----Original Message-----
> From:	Chris Waterman [SMTP:Chris_Waterman@pmc-sierra.com]
> Sent:	Tuesday, June 06, 2000 6:51 PM
> To:	'JPOR List'
> Subject:	JPOR: Engine trouble
> 
> ****************Please Remember to snip your replies***************
> 
> 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)
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