97 Wrangler loss of power
01-02-2006, 03:15 PM
#21
Guest
Posts: n/a
Re: 97 Wrangler loss of power
P.S. Though that website says to count the number of flashes on the
Check Engine light, there's no need to count them on your '97 TJ. The
actual numeric codes will appear in the odometer display.
Jerry
Jerry Bransford wrote:
> The other suggestions like a possibly bad/plugged catalytic converter
> are good but also be aware your upstream (nearest to the exhaust
> manifold) 02 sensor can cause a dramatic loss of power and fuel economy
> when it goes bad... and they do go bad. See if you have any stored
> diagnostic codes using the procedure at
> http://www.allpar.com/fix/80s-codes.html which might tell you what the
> problem is. When doing the three on-off-on ignition sequence, make sure
> to give it time to start displaying the codes, it can take as long as
> 5-10 seconds before the codes begin appearing so have patience. If you
> did the ignition key sequence properly, you will at least get the usual
> '55' code which is always shown and follows any other possible codes.
>
> Jerry
--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/
Check Engine light, there's no need to count them on your '97 TJ. The
actual numeric codes will appear in the odometer display.
Jerry
Jerry Bransford wrote:
> The other suggestions like a possibly bad/plugged catalytic converter
> are good but also be aware your upstream (nearest to the exhaust
> manifold) 02 sensor can cause a dramatic loss of power and fuel economy
> when it goes bad... and they do go bad. See if you have any stored
> diagnostic codes using the procedure at
> http://www.allpar.com/fix/80s-codes.html which might tell you what the
> problem is. When doing the three on-off-on ignition sequence, make sure
> to give it time to start displaying the codes, it can take as long as
> 5-10 seconds before the codes begin appearing so have patience. If you
> did the ignition key sequence properly, you will at least get the usual
> '55' code which is always shown and follows any other possible codes.
>
> Jerry
--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/
01-02-2006, 03:15 PM
#22
Guest
Posts: n/a
Re: 97 Wrangler loss of power
P.S. Though that website says to count the number of flashes on the
Check Engine light, there's no need to count them on your '97 TJ. The
actual numeric codes will appear in the odometer display.
Jerry
Jerry Bransford wrote:
> The other suggestions like a possibly bad/plugged catalytic converter
> are good but also be aware your upstream (nearest to the exhaust
> manifold) 02 sensor can cause a dramatic loss of power and fuel economy
> when it goes bad... and they do go bad. See if you have any stored
> diagnostic codes using the procedure at
> http://www.allpar.com/fix/80s-codes.html which might tell you what the
> problem is. When doing the three on-off-on ignition sequence, make sure
> to give it time to start displaying the codes, it can take as long as
> 5-10 seconds before the codes begin appearing so have patience. If you
> did the ignition key sequence properly, you will at least get the usual
> '55' code which is always shown and follows any other possible codes.
>
> Jerry
--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/
Check Engine light, there's no need to count them on your '97 TJ. The
actual numeric codes will appear in the odometer display.
Jerry
Jerry Bransford wrote:
> The other suggestions like a possibly bad/plugged catalytic converter
> are good but also be aware your upstream (nearest to the exhaust
> manifold) 02 sensor can cause a dramatic loss of power and fuel economy
> when it goes bad... and they do go bad. See if you have any stored
> diagnostic codes using the procedure at
> http://www.allpar.com/fix/80s-codes.html which might tell you what the
> problem is. When doing the three on-off-on ignition sequence, make sure
> to give it time to start displaying the codes, it can take as long as
> 5-10 seconds before the codes begin appearing so have patience. If you
> did the ignition key sequence properly, you will at least get the usual
> '55' code which is always shown and follows any other possible codes.
>
> Jerry
--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/
01-02-2006, 04:30 PM
#23
Guest
Posts: n/a
Re: 97 Wrangler loss of power
On Mon, 2 Jan 2006 09:56:01 -0500, "Keith Orbell"
<quite98@hotmail.com> wrote:
>I have a 97 Wrangler, 4cyl with auto trans, no A/C, 130,000 miles on the
>clock.
>
>About a week ago the Jeep started to suffer from a lack of power: it will
>run and idle fine, but when moving up to freeway speeds (>50mph) it feels
>like it is struggling. There is no obvious misfire or hesitation in the
>engine - it just feels weaker than normal . Actually it's a little like when
>the A/C is turned on a vehicle with a small capacity engine.
>
>Any ideas where to start looking? I noticed that the radiator fan is always
>running (even at cold idle). I'm not sure if that should be the case or if
>this is somehow related to the lack of power.
>
>Thanks in advance for any help
>Keith
>
>
>
Fuel filter?
--
Old Crow
'82 FLTC-P "Miss Pearl"
'74 XLH chopper(somebody else's baby now)
BS#133, SENS, TOMKAT, MAMBM, DOF#51, DH#2
"There's only 1 RE"
<quite98@hotmail.com> wrote:
>I have a 97 Wrangler, 4cyl with auto trans, no A/C, 130,000 miles on the
>clock.
>
>About a week ago the Jeep started to suffer from a lack of power: it will
>run and idle fine, but when moving up to freeway speeds (>50mph) it feels
>like it is struggling. There is no obvious misfire or hesitation in the
>engine - it just feels weaker than normal . Actually it's a little like when
>the A/C is turned on a vehicle with a small capacity engine.
>
>Any ideas where to start looking? I noticed that the radiator fan is always
>running (even at cold idle). I'm not sure if that should be the case or if
>this is somehow related to the lack of power.
>
>Thanks in advance for any help
>Keith
>
>
>
Fuel filter?
--
Old Crow
'82 FLTC-P "Miss Pearl"
'74 XLH chopper(somebody else's baby now)
BS#133, SENS, TOMKAT, MAMBM, DOF#51, DH#2
"There's only 1 RE"
01-02-2006, 04:30 PM
#24
Guest
Posts: n/a
Re: 97 Wrangler loss of power
On Mon, 2 Jan 2006 09:56:01 -0500, "Keith Orbell"
<quite98@hotmail.com> wrote:
>I have a 97 Wrangler, 4cyl with auto trans, no A/C, 130,000 miles on the
>clock.
>
>About a week ago the Jeep started to suffer from a lack of power: it will
>run and idle fine, but when moving up to freeway speeds (>50mph) it feels
>like it is struggling. There is no obvious misfire or hesitation in the
>engine - it just feels weaker than normal . Actually it's a little like when
>the A/C is turned on a vehicle with a small capacity engine.
>
>Any ideas where to start looking? I noticed that the radiator fan is always
>running (even at cold idle). I'm not sure if that should be the case or if
>this is somehow related to the lack of power.
>
>Thanks in advance for any help
>Keith
>
>
>
Fuel filter?
--
Old Crow
'82 FLTC-P "Miss Pearl"
'74 XLH chopper(somebody else's baby now)
BS#133, SENS, TOMKAT, MAMBM, DOF#51, DH#2
"There's only 1 RE"
<quite98@hotmail.com> wrote:
>I have a 97 Wrangler, 4cyl with auto trans, no A/C, 130,000 miles on the
>clock.
>
>About a week ago the Jeep started to suffer from a lack of power: it will
>run and idle fine, but when moving up to freeway speeds (>50mph) it feels
>like it is struggling. There is no obvious misfire or hesitation in the
>engine - it just feels weaker than normal . Actually it's a little like when
>the A/C is turned on a vehicle with a small capacity engine.
>
>Any ideas where to start looking? I noticed that the radiator fan is always
>running (even at cold idle). I'm not sure if that should be the case or if
>this is somehow related to the lack of power.
>
>Thanks in advance for any help
>Keith
>
>
>
Fuel filter?
--
Old Crow
'82 FLTC-P "Miss Pearl"
'74 XLH chopper(somebody else's baby now)
BS#133, SENS, TOMKAT, MAMBM, DOF#51, DH#2
"There's only 1 RE"
01-02-2006, 04:30 PM
#25
Guest
Posts: n/a
Re: 97 Wrangler loss of power
On Mon, 2 Jan 2006 09:56:01 -0500, "Keith Orbell"
<quite98@hotmail.com> wrote:
>I have a 97 Wrangler, 4cyl with auto trans, no A/C, 130,000 miles on the
>clock.
>
>About a week ago the Jeep started to suffer from a lack of power: it will
>run and idle fine, but when moving up to freeway speeds (>50mph) it feels
>like it is struggling. There is no obvious misfire or hesitation in the
>engine - it just feels weaker than normal . Actually it's a little like when
>the A/C is turned on a vehicle with a small capacity engine.
>
>Any ideas where to start looking? I noticed that the radiator fan is always
>running (even at cold idle). I'm not sure if that should be the case or if
>this is somehow related to the lack of power.
>
>Thanks in advance for any help
>Keith
>
>
>
Fuel filter?
--
Old Crow
'82 FLTC-P "Miss Pearl"
'74 XLH chopper(somebody else's baby now)
BS#133, SENS, TOMKAT, MAMBM, DOF#51, DH#2
"There's only 1 RE"
<quite98@hotmail.com> wrote:
>I have a 97 Wrangler, 4cyl with auto trans, no A/C, 130,000 miles on the
>clock.
>
>About a week ago the Jeep started to suffer from a lack of power: it will
>run and idle fine, but when moving up to freeway speeds (>50mph) it feels
>like it is struggling. There is no obvious misfire or hesitation in the
>engine - it just feels weaker than normal . Actually it's a little like when
>the A/C is turned on a vehicle with a small capacity engine.
>
>Any ideas where to start looking? I noticed that the radiator fan is always
>running (even at cold idle). I'm not sure if that should be the case or if
>this is somehow related to the lack of power.
>
>Thanks in advance for any help
>Keith
>
>
>
Fuel filter?
--
Old Crow
'82 FLTC-P "Miss Pearl"
'74 XLH chopper(somebody else's baby now)
BS#133, SENS, TOMKAT, MAMBM, DOF#51, DH#2
"There's only 1 RE"
01-03-2006, 06:05 AM
#29
Guest
Posts: n/a
Re: 97 Wrangler loss of power
On Mon, 02 Jan 2006 21:43:24 -0500, Scott in Baltimore
<sDcOoNtTtS_PuAnMiMtE_69@yahoo.com> wrote:
>> Fuel filter?
>
>The fuel filter is part of the fuel pump. I just had to
>replace my pump. It came with the inner and outer filter.
>
>Try to burn up most of your gas first. My pump died with
>most of tank full. What a b*tc*!
I work at a Chevy dealer as a tech. Seems the first thing most people
do when they believe the fuel pump is going bad is to fill the tank. I
*hate* dropping tanks with 20+ gal of fuel in 'em.
--
Old Crow
'82 FLTC-P "Miss Pearl"
'74 XLH chopper(somebody else's baby now)
BS#133, SENS, TOMKAT, MAMBM, DOF#51, DH#2
"There's only 1 RE"
<sDcOoNtTtS_PuAnMiMtE_69@yahoo.com> wrote:
>> Fuel filter?
>
>The fuel filter is part of the fuel pump. I just had to
>replace my pump. It came with the inner and outer filter.
>
>Try to burn up most of your gas first. My pump died with
>most of tank full. What a b*tc*!
I work at a Chevy dealer as a tech. Seems the first thing most people
do when they believe the fuel pump is going bad is to fill the tank. I
*hate* dropping tanks with 20+ gal of fuel in 'em.
--
Old Crow
'82 FLTC-P "Miss Pearl"
'74 XLH chopper(somebody else's baby now)
BS#133, SENS, TOMKAT, MAMBM, DOF#51, DH#2
"There's only 1 RE"
01-03-2006, 06:05 AM
#30
Guest
Posts: n/a
Re: 97 Wrangler loss of power
On Mon, 02 Jan 2006 21:43:24 -0500, Scott in Baltimore
<sDcOoNtTtS_PuAnMiMtE_69@yahoo.com> wrote:
>> Fuel filter?
>
>The fuel filter is part of the fuel pump. I just had to
>replace my pump. It came with the inner and outer filter.
>
>Try to burn up most of your gas first. My pump died with
>most of tank full. What a b*tc*!
I work at a Chevy dealer as a tech. Seems the first thing most people
do when they believe the fuel pump is going bad is to fill the tank. I
*hate* dropping tanks with 20+ gal of fuel in 'em.
--
Old Crow
'82 FLTC-P "Miss Pearl"
'74 XLH chopper(somebody else's baby now)
BS#133, SENS, TOMKAT, MAMBM, DOF#51, DH#2
"There's only 1 RE"
<sDcOoNtTtS_PuAnMiMtE_69@yahoo.com> wrote:
>> Fuel filter?
>
>The fuel filter is part of the fuel pump. I just had to
>replace my pump. It came with the inner and outer filter.
>
>Try to burn up most of your gas first. My pump died with
>most of tank full. What a b*tc*!
I work at a Chevy dealer as a tech. Seems the first thing most people
do when they believe the fuel pump is going bad is to fill the tank. I
*hate* dropping tanks with 20+ gal of fuel in 'em.
--
Old Crow
'82 FLTC-P "Miss Pearl"
'74 XLH chopper(somebody else's baby now)
BS#133, SENS, TOMKAT, MAMBM, DOF#51, DH#2
"There's only 1 RE"