Fuel pump runs continuously- 92 Jeep Cherokee
07-16-2006, 03:21 PM
#1
Guest
Posts: n/a
Fuel pump runs continuously- 92 Jeep Cherokee
Anyone know what would cause my fuel pump to run what seems like, from
the sound, continuously wide open? When I start the jeep I can normally
hear it for a second or 2 while it comes up to pressure then it runs
quietly. When it is acting up I hear the loud noise continuously. The
last time it quit working completely. I have replaced my fuel pump 3
times and each one has done the same thing. I have also replaced the
fuel filter and relay. I have not replaced the pressure regulator.
Could this be causing the problem? I have a 92 Jeep Cherokee L6 4.0L
4WD. Any help would be appreciated.
Thanks
Rick
the sound, continuously wide open? When I start the jeep I can normally
hear it for a second or 2 while it comes up to pressure then it runs
quietly. When it is acting up I hear the loud noise continuously. The
last time it quit working completely. I have replaced my fuel pump 3
times and each one has done the same thing. I have also replaced the
fuel filter and relay. I have not replaced the pressure regulator.
Could this be causing the problem? I have a 92 Jeep Cherokee L6 4.0L
4WD. Any help would be appreciated.
Thanks
Rick
07-16-2006, 04:20 PM
#2
Guest
Posts: n/a
Re: Fuel pump runs continuously- 92 Jeep Cherokee
Rick wrote:
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can
> normally hear it for a second or 2 while it comes up to pressure then
> it runs quietly. When it is acting up I hear the loud noise
> continuously. The last time it quit working completely. I have
> replaced my fuel pump 3 times and each one has done the same thing.
> I have also replaced the fuel filter and relay. I have not replaced
> the pressure regulator. Could this be causing the problem? I have a
> 92 Jeep Cherokee L6 4.0L 4WD. Any help would be appreciated.
Get a fuel pressure gauge and check the regulator.
Normal is 214 kPa / 31 Psi
Fuel Pressure Regulator line disconnected 269-283 kPa / 39-41 Psi
lower than 31 then it's either the pump or the regulator. Only way
to check is with a clamp kit. Never use clamps on the factory fuel line.
--
DougW
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can
> normally hear it for a second or 2 while it comes up to pressure then
> it runs quietly. When it is acting up I hear the loud noise
> continuously. The last time it quit working completely. I have
> replaced my fuel pump 3 times and each one has done the same thing.
> I have also replaced the fuel filter and relay. I have not replaced
> the pressure regulator. Could this be causing the problem? I have a
> 92 Jeep Cherokee L6 4.0L 4WD. Any help would be appreciated.
Get a fuel pressure gauge and check the regulator.
Normal is 214 kPa / 31 Psi
Fuel Pressure Regulator line disconnected 269-283 kPa / 39-41 Psi
lower than 31 then it's either the pump or the regulator. Only way
to check is with a clamp kit. Never use clamps on the factory fuel line.
--
DougW
07-16-2006, 04:20 PM
#3
Guest
Posts: n/a
Re: Fuel pump runs continuously- 92 Jeep Cherokee
Rick wrote:
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can
> normally hear it for a second or 2 while it comes up to pressure then
> it runs quietly. When it is acting up I hear the loud noise
> continuously. The last time it quit working completely. I have
> replaced my fuel pump 3 times and each one has done the same thing.
> I have also replaced the fuel filter and relay. I have not replaced
> the pressure regulator. Could this be causing the problem? I have a
> 92 Jeep Cherokee L6 4.0L 4WD. Any help would be appreciated.
Get a fuel pressure gauge and check the regulator.
Normal is 214 kPa / 31 Psi
Fuel Pressure Regulator line disconnected 269-283 kPa / 39-41 Psi
lower than 31 then it's either the pump or the regulator. Only way
to check is with a clamp kit. Never use clamps on the factory fuel line.
--
DougW
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can
> normally hear it for a second or 2 while it comes up to pressure then
> it runs quietly. When it is acting up I hear the loud noise
> continuously. The last time it quit working completely. I have
> replaced my fuel pump 3 times and each one has done the same thing.
> I have also replaced the fuel filter and relay. I have not replaced
> the pressure regulator. Could this be causing the problem? I have a
> 92 Jeep Cherokee L6 4.0L 4WD. Any help would be appreciated.
Get a fuel pressure gauge and check the regulator.
Normal is 214 kPa / 31 Psi
Fuel Pressure Regulator line disconnected 269-283 kPa / 39-41 Psi
lower than 31 then it's either the pump or the regulator. Only way
to check is with a clamp kit. Never use clamps on the factory fuel line.
--
DougW
07-16-2006, 04:20 PM
#4
Guest
Posts: n/a
Re: Fuel pump runs continuously- 92 Jeep Cherokee
Rick wrote:
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can
> normally hear it for a second or 2 while it comes up to pressure then
> it runs quietly. When it is acting up I hear the loud noise
> continuously. The last time it quit working completely. I have
> replaced my fuel pump 3 times and each one has done the same thing.
> I have also replaced the fuel filter and relay. I have not replaced
> the pressure regulator. Could this be causing the problem? I have a
> 92 Jeep Cherokee L6 4.0L 4WD. Any help would be appreciated.
Get a fuel pressure gauge and check the regulator.
Normal is 214 kPa / 31 Psi
Fuel Pressure Regulator line disconnected 269-283 kPa / 39-41 Psi
lower than 31 then it's either the pump or the regulator. Only way
to check is with a clamp kit. Never use clamps on the factory fuel line.
--
DougW
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can
> normally hear it for a second or 2 while it comes up to pressure then
> it runs quietly. When it is acting up I hear the loud noise
> continuously. The last time it quit working completely. I have
> replaced my fuel pump 3 times and each one has done the same thing.
> I have also replaced the fuel filter and relay. I have not replaced
> the pressure regulator. Could this be causing the problem? I have a
> 92 Jeep Cherokee L6 4.0L 4WD. Any help would be appreciated.
Get a fuel pressure gauge and check the regulator.
Normal is 214 kPa / 31 Psi
Fuel Pressure Regulator line disconnected 269-283 kPa / 39-41 Psi
lower than 31 then it's either the pump or the regulator. Only way
to check is with a clamp kit. Never use clamps on the factory fuel line.
--
DougW
07-26-2006, 08:42 AM
#5
Guest
Posts: n/a
Re: Fuel pump runs continuously- 92 Jeep Cherokee
Hey Rick,
I had the same "noise" problem on my '92 Cherokee. Ended up replacing the
fuel pump and the noise went away. Noticeable difference. Had my mechanic do
the job, ran about $230 parts and labor I think.
Gary
"Rick" <rprogers@mesanetworks.net> wrote in message
news:1153077677.315468.99570@s13g2000cwa.googlegro ups.com...
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can normally
> hear it for a second or 2 while it comes up to pressure then it runs
> quietly. When it is acting up I hear the loud noise continuously. The
> last time it quit working completely. I have replaced my fuel pump 3
> times and each one has done the same thing. I have also replaced the
> fuel filter and relay. I have not replaced the pressure regulator.
> Could this be causing the problem? I have a 92 Jeep Cherokee L6 4.0L
> 4WD. Any help would be appreciated.
>
> Thanks
> Rick
>
I had the same "noise" problem on my '92 Cherokee. Ended up replacing the
fuel pump and the noise went away. Noticeable difference. Had my mechanic do
the job, ran about $230 parts and labor I think.
Gary
"Rick" <rprogers@mesanetworks.net> wrote in message
news:1153077677.315468.99570@s13g2000cwa.googlegro ups.com...
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can normally
> hear it for a second or 2 while it comes up to pressure then it runs
> quietly. When it is acting up I hear the loud noise continuously. The
> last time it quit working completely. I have replaced my fuel pump 3
> times and each one has done the same thing. I have also replaced the
> fuel filter and relay. I have not replaced the pressure regulator.
> Could this be causing the problem? I have a 92 Jeep Cherokee L6 4.0L
> 4WD. Any help would be appreciated.
>
> Thanks
> Rick
>
07-26-2006, 08:42 AM
#6
Guest
Posts: n/a
Re: Fuel pump runs continuously- 92 Jeep Cherokee
Hey Rick,
I had the same "noise" problem on my '92 Cherokee. Ended up replacing the
fuel pump and the noise went away. Noticeable difference. Had my mechanic do
the job, ran about $230 parts and labor I think.
Gary
"Rick" <rprogers@mesanetworks.net> wrote in message
news:1153077677.315468.99570@s13g2000cwa.googlegro ups.com...
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can normally
> hear it for a second or 2 while it comes up to pressure then it runs
> quietly. When it is acting up I hear the loud noise continuously. The
> last time it quit working completely. I have replaced my fuel pump 3
> times and each one has done the same thing. I have also replaced the
> fuel filter and relay. I have not replaced the pressure regulator.
> Could this be causing the problem? I have a 92 Jeep Cherokee L6 4.0L
> 4WD. Any help would be appreciated.
>
> Thanks
> Rick
>
I had the same "noise" problem on my '92 Cherokee. Ended up replacing the
fuel pump and the noise went away. Noticeable difference. Had my mechanic do
the job, ran about $230 parts and labor I think.
Gary
"Rick" <rprogers@mesanetworks.net> wrote in message
news:1153077677.315468.99570@s13g2000cwa.googlegro ups.com...
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can normally
> hear it for a second or 2 while it comes up to pressure then it runs
> quietly. When it is acting up I hear the loud noise continuously. The
> last time it quit working completely. I have replaced my fuel pump 3
> times and each one has done the same thing. I have also replaced the
> fuel filter and relay. I have not replaced the pressure regulator.
> Could this be causing the problem? I have a 92 Jeep Cherokee L6 4.0L
> 4WD. Any help would be appreciated.
>
> Thanks
> Rick
>
07-26-2006, 08:42 AM
#7
Guest
Posts: n/a
Re: Fuel pump runs continuously- 92 Jeep Cherokee
Hey Rick,
I had the same "noise" problem on my '92 Cherokee. Ended up replacing the
fuel pump and the noise went away. Noticeable difference. Had my mechanic do
the job, ran about $230 parts and labor I think.
Gary
"Rick" <rprogers@mesanetworks.net> wrote in message
news:1153077677.315468.99570@s13g2000cwa.googlegro ups.com...
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can normally
> hear it for a second or 2 while it comes up to pressure then it runs
> quietly. When it is acting up I hear the loud noise continuously. The
> last time it quit working completely. I have replaced my fuel pump 3
> times and each one has done the same thing. I have also replaced the
> fuel filter and relay. I have not replaced the pressure regulator.
> Could this be causing the problem? I have a 92 Jeep Cherokee L6 4.0L
> 4WD. Any help would be appreciated.
>
> Thanks
> Rick
>
I had the same "noise" problem on my '92 Cherokee. Ended up replacing the
fuel pump and the noise went away. Noticeable difference. Had my mechanic do
the job, ran about $230 parts and labor I think.
Gary
"Rick" <rprogers@mesanetworks.net> wrote in message
news:1153077677.315468.99570@s13g2000cwa.googlegro ups.com...
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can normally
> hear it for a second or 2 while it comes up to pressure then it runs
> quietly. When it is acting up I hear the loud noise continuously. The
> last time it quit working completely. I have replaced my fuel pump 3
> times and each one has done the same thing. I have also replaced the
> fuel filter and relay. I have not replaced the pressure regulator.
> Could this be causing the problem? I have a 92 Jeep Cherokee L6 4.0L
> 4WD. Any help would be appreciated.
>
> Thanks
> Rick
>
07-26-2006, 08:42 AM
#8
Guest
Posts: n/a
Re: Fuel pump runs continuously- 92 Jeep Cherokee
Hey Rick,
I had the same "noise" problem on my '92 Cherokee. Ended up replacing the
fuel pump and the noise went away. Noticeable difference. Had my mechanic do
the job, ran about $230 parts and labor I think.
Gary
"Rick" <rprogers@mesanetworks.net> wrote in message
news:1153077677.315468.99570@s13g2000cwa.googlegro ups.com...
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can normally
> hear it for a second or 2 while it comes up to pressure then it runs
> quietly. When it is acting up I hear the loud noise continuously. The
> last time it quit working completely. I have replaced my fuel pump 3
> times and each one has done the same thing. I have also replaced the
> fuel filter and relay. I have not replaced the pressure regulator.
> Could this be causing the problem? I have a 92 Jeep Cherokee L6 4.0L
> 4WD. Any help would be appreciated.
>
> Thanks
> Rick
>
I had the same "noise" problem on my '92 Cherokee. Ended up replacing the
fuel pump and the noise went away. Noticeable difference. Had my mechanic do
the job, ran about $230 parts and labor I think.
Gary
"Rick" <rprogers@mesanetworks.net> wrote in message
news:1153077677.315468.99570@s13g2000cwa.googlegro ups.com...
> Anyone know what would cause my fuel pump to run what seems like, from
> the sound, continuously wide open? When I start the jeep I can normally
> hear it for a second or 2 while it comes up to pressure then it runs
> quietly. When it is acting up I hear the loud noise continuously. The
> last time it quit working completely. I have replaced my fuel pump 3
> times and each one has done the same thing. I have also replaced the
> fuel filter and relay. I have not replaced the pressure regulator.
> Could this be causing the problem? I have a 92 Jeep Cherokee L6 4.0L
> 4WD. Any help would be appreciated.
>
> Thanks
> Rick
>
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