Tested the fuel pressure today on my 98 5.2
With engine off and key on the pressure is 38 psi. with the engine running it
is at 48 psi. does anyone know if this should be a problem
Colin
Vincent Heckathorn wrote:
> Thanks for the info Joel!!!
> Colin
>
> Joel Znamenacek wrote:
>
> > yes.
> > 49.2PSI + or - 5PSI
> > Get a 0-60 PSI gauge. I don't know where you could get it besides an
> > autoparts store.
> > In the manual it says get the appropriate Fuel Line Pressure Test
> > Adapter Tool
> > (6539, 6631, 6541 or 6923) and gauge (from set 5069)
> > Note I have no idea if you can use a regular gauge or what the FLPTAT is
> > and if you can improvise.
> > This info was taken out of the '98 Service Manual
> >
> > Joel
> >
> > -----Original Message-----
> > From: owner-dakota-truck@buffnet4.buffnet.net
> > [mailto:owner-dakota-truck@buffnet4.buffnet.net]On Behalf Of Vincent
> > Heckathorn
> > Sent: Saturday, August 15, 1998 9:30 PM
> > To: DML
> > Subject: Re: DML: Fuel pressure?
> >
> > Anyone know what the fuel pressure on the 98 5.2's should be?
> > And where is the best place to buy a gauge to measure it???
> >
> > Colin H.
> >
> > david zavetsky wrote:
> >
> > > I am investigating my 92 V8's too....
> > >
> > > Mine is supposed to be 31 with the regulator vacuum on, 39 with it
> > > disconnected....
> > >
> > > When you shut it down, the pressure should hold steady and drop slowly
> > (very
> > > slowly)
> > >
> > > My book says that if it drops suddenly, the outlet valve on the fuel
> > pump is
> > > shot....replace the pump.
> > >
> > > MY pump just seems to quit after a hot restart....Still trying to
> > figure
> > > this one out...
> > >
> > > At 05:41 PM 8/10/98 -0400, you wrote:
> > > >Anyone know what the fuel pressure should be on a '89 Dakota with a
> > 3.9
> > > >TBI ?
> > > >Having problems with the truck falling on its face when you give it
> > the
> > > >gas, Checked the pressure and reads 10 lbs but after you shut the
> > truck
> > > >off shouldnt the system hold that pressure? Mine doesnt... Also at
> > > >idle watching the 2 injectors only 1 of them is spraying fuel??
> > > >Normal???
> > > >Thanks
> > > >Chet
> > > >
> > > >
> > > "M ove O ver, P ickup A pproacing R apidly!"
> > > 1992 Dakota 4x4, Standard cab, short bed, 5.2 L V8, K&N,
> > Gibson/Dynomax
> > > exhaust,Power Puleys, MP SBEC, 180 degree thermostat, Bushwhackers,
> > > tire/wheel package, Lund Moonvisor & Interceptor, Custom Cover
> > tonneau,
> > > Bundy rear bumper, chrome grillguard/pushbar
> > >
> > > see http://www.usaor.net/users/zavetsky for pictures!
> > >
> > > MOPAR or NOCAR!
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