It could have a new injector and maybe the regulator parts, I don't know
for sure.

The kit for the 2 bbl carb is only $20.00 and that has all the gaskets,
accelerator pump, float needle and seat, etc.

Have you changed the gas filter? That should be on the frame rail near
the tank. A plugged one can also cause you top end issues, same for a
dirty air filter.

There also is an air filter on the gas tank that will cause top end bogs
if plugged up. That is a $2.00 emissions canister filter on the bottom
of the charcoal canister. Running with the gas cap open or the tube off
the canister so it sucks air tells fast if this is an issue but/and on
some systems doing that can cause a check engine light to come on that
will go off when you tighten the cap back on.

Mike

Don Smith wrote:
>
> What comes in a kit for this Throttle Body Injector rebuild kit. The stores
> around here weem to want 75.00 for one and if it only has a couple of "O"
> rings I will be upset. Thanks Don
>
> "Mike Romain" <romainm@sympatico.ca> wrote in message
> news:4124FB6F.7C944173@sympatico.ca...
> > Your TBI has a pressure regulator inside it as well as more than one
> > O-ring. You have an injector, a lower O-ring, a centering ring and an
> > upper O-ring.
> >
> > I would recommend a kit for the throttle body. This will give you at
> > least the right parts for it and it gets a good clean while apart.
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
> >
> > Don Smith wrote:
> > >
> > > Hi all Back again. I am still having problems getting my 1986 Cherokee
> > > Pioneer with 2.46L engine and Throttle Body Injection, to give a smooth
> > > acceleration under load. Seems to be more pronounced during the lower
> part
> > > of the power curve. Downhill it seems to have great acceleration. (No
> > > Jokes Please) When it starts up a hill it slows down and depressing the
> > > accelerator pedal seems to make it bog down worse. Depressing the pedal
> to
> > > the floor seems to really cause it to bog down. If I downshift to a
> lower
> > > gear and get the RPMs up it seems to be better. But with many hills I
> have
> > > to go down two or more gears to even get it over the hill. The hills
> are
> > > not all that great. Have tried changing the Map Sensor, checking the
> hose
> > > connections around the TBI for vacuum leaks, all hoses for good
> connections
> > > and proper placement. When I remove the injector from the Throttle Body
> I
> > > found only one small O Ring at the bottom. (My manual shows two. One
> near
> > > the top of the body) I tried replacing it but still have same results.
> Any
> > > suggestions of something I might check and/or have missed? Is there any
> > > computer codes used on this model that might give me some clues as to
> the
> > > problem? One again thanks for all of your help. Don Smith
> > >
> > > ---
> > > Outgoing mail is certified Virus Free.
> > > Checked by AVG anti-virus system (http://www.grisoft.com).
> > > Version: 6.0.737 / Virus Database: 491 - Release Date: 8/13/04
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.737 / Virus Database: 491 - Release Date: 8/13/04

 

It could have a new injector and maybe the regulator parts, I don't know
for sure.

The kit for the 2 bbl carb is only $20.00 and that has all the gaskets,
accelerator pump, float needle and seat, etc.

Have you changed the gas filter? That should be on the frame rail near
the tank. A plugged one can also cause you top end issues, same for a
dirty air filter.

There also is an air filter on the gas tank that will cause top end bogs
if plugged up. That is a $2.00 emissions canister filter on the bottom
of the charcoal canister. Running with the gas cap open or the tube off
the canister so it sucks air tells fast if this is an issue but/and on
some systems doing that can cause a check engine light to come on that
will go off when you tighten the cap back on.

Mike

Don Smith wrote:
>
> What comes in a kit for this Throttle Body Injector rebuild kit. The stores
> around here weem to want 75.00 for one and if it only has a couple of "O"
> rings I will be upset. Thanks Don
>
> "Mike Romain" <romainm@sympatico.ca> wrote in message
> news:4124FB6F.7C944173@sympatico.ca...
> > Your TBI has a pressure regulator inside it as well as more than one
> > O-ring. You have an injector, a lower O-ring, a centering ring and an
> > upper O-ring.
> >
> > I would recommend a kit for the throttle body. This will give you at
> > least the right parts for it and it gets a good clean while apart.
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
> >
> > Don Smith wrote:
> > >
> > > Hi all Back again. I am still having problems getting my 1986 Cherokee
> > > Pioneer with 2.46L engine and Throttle Body Injection, to give a smooth
> > > acceleration under load. Seems to be more pronounced during the lower
> part
> > > of the power curve. Downhill it seems to have great acceleration. (No
> > > Jokes Please) When it starts up a hill it slows down and depressing the
> > > accelerator pedal seems to make it bog down worse. Depressing the pedal
> to
> > > the floor seems to really cause it to bog down. If I downshift to a
> lower
> > > gear and get the RPMs up it seems to be better. But with many hills I
> have
> > > to go down two or more gears to even get it over the hill. The hills
> are
> > > not all that great. Have tried changing the Map Sensor, checking the
> hose
> > > connections around the TBI for vacuum leaks, all hoses for good
> connections
> > > and proper placement. When I remove the injector from the Throttle Body
> I
> > > found only one small O Ring at the bottom. (My manual shows two. One
> near
> > > the top of the body) I tried replacing it but still have same results.
> Any
> > > suggestions of something I might check and/or have missed? Is there any
> > > computer codes used on this model that might give me some clues as to
> the
> > > problem? One again thanks for all of your help. Don Smith
> > >
> > > ---
> > > Outgoing mail is certified Virus Free.
> > > Checked by AVG anti-virus system (http://www.grisoft.com).
> > > Version: 6.0.737 / Virus Database: 491 - Release Date: 8/13/04
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.737 / Virus Database: 491 - Release Date: 8/13/04

 

It could have a new injector and maybe the regulator parts, I don't know
for sure.

The kit for the 2 bbl carb is only $20.00 and that has all the gaskets,
accelerator pump, float needle and seat, etc.

Have you changed the gas filter? That should be on the frame rail near
the tank. A plugged one can also cause you top end issues, same for a
dirty air filter.

There also is an air filter on the gas tank that will cause top end bogs
if plugged up. That is a $2.00 emissions canister filter on the bottom
of the charcoal canister. Running with the gas cap open or the tube off
the canister so it sucks air tells fast if this is an issue but/and on
some systems doing that can cause a check engine light to come on that
will go off when you tighten the cap back on.

Mike

Don Smith wrote:
>
> What comes in a kit for this Throttle Body Injector rebuild kit. The stores
> around here weem to want 75.00 for one and if it only has a couple of "O"
> rings I will be upset. Thanks Don
>
> "Mike Romain" <romainm@sympatico.ca> wrote in message
> news:4124FB6F.7C944173@sympatico.ca...
> > Your TBI has a pressure regulator inside it as well as more than one
> > O-ring. You have an injector, a lower O-ring, a centering ring and an
> > upper O-ring.
> >
> > I would recommend a kit for the throttle body. This will give you at
> > least the right parts for it and it gets a good clean while apart.
> >
> > Mike
> > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> > 88 Cherokee 235 BFG AT's
> >
> > Don Smith wrote:
> > >
> > > Hi all Back again. I am still having problems getting my 1986 Cherokee
> > > Pioneer with 2.46L engine and Throttle Body Injection, to give a smooth
> > > acceleration under load. Seems to be more pronounced during the lower
> part
> > > of the power curve. Downhill it seems to have great acceleration. (No
> > > Jokes Please) When it starts up a hill it slows down and depressing the
> > > accelerator pedal seems to make it bog down worse. Depressing the pedal
> to
> > > the floor seems to really cause it to bog down. If I downshift to a
> lower
> > > gear and get the RPMs up it seems to be better. But with many hills I
> have
> > > to go down two or more gears to even get it over the hill. The hills
> are
> > > not all that great. Have tried changing the Map Sensor, checking the
> hose
> > > connections around the TBI for vacuum leaks, all hoses for good
> connections
> > > and proper placement. When I remove the injector from the Throttle Body
> I
> > > found only one small O Ring at the bottom. (My manual shows two. One
> near
> > > the top of the body) I tried replacing it but still have same results.
> Any
> > > suggestions of something I might check and/or have missed? Is there any
> > > computer codes used on this model that might give me some clues as to
> the
> > > problem? One again thanks for all of your help. Don Smith
> > >
> > > ---
> > > Outgoing mail is certified Virus Free.
> > > Checked by AVG anti-virus system (http://www.grisoft.com).
> > > Version: 6.0.737 / Virus Database: 491 - Release Date: 8/13/04
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.737 / Virus Database: 491 - Release Date: 8/13/04

 

Did you check on the basics?
How is the compression of the engine?
How is the tune and what do the plugs look like?

I had an '87 XJ with the 2.5 engine with the 4 speed manual transmission and
it was slow. Even after a good tune up and a tight engine, it was still
weak on power and just plain slow.
It would get up to speed but if I was even towing an almost empty trailer it
would slow down going up a slight incline. :-( I had to downshift to keep
the engine in a good 'powerband'.

Of course your problem may be weak spark, too much or too little fuel, or a
tired engine. :-(
I sold my 87 XJ when I got my 88 XJ running. ;-)

good luck!
--
later,
dave AKA vwdoc1
88 XJ 4.0 auto
82 Wag Ltd. 360 auto (parts truck)
88 FSJ-GW 360 auto (GRAND 88)
Chicago

"Don Smith" <desmith@innercite.com> wrote in message
news:10i9ttv1899s814@corp.supernews.com...
>
>
> Hi all Back again. I am still having problems getting my 1986 Cherokee
> Pioneer with 2.46L engine and Throttle Body Injection, to give a smooth
> acceleration under load. Seems to be more pronounced during the lower
part
> of the power curve. Downhill it seems to have great acceleration. (No
> Jokes Please) When it starts up a hill it slows down and depressing the
> accelerator pedal seems to make it bog down worse. Depressing the pedal
to
> the floor seems to really cause it to bog down. If I downshift to a lower
> gear and get the RPMs up it seems to be better. But with many hills I have
> to go down two or more gears to even get it over the hill. The hills are
> not all that great. Have tried changing the Map Sensor, checking the
hose
> connections around the TBI for vacuum leaks, all hoses for good
connections
> and proper placement. When I remove the injector from the Throttle Body I
> found only one small O Ring at the bottom. (My manual shows two. One near
> the top of the body) I tried replacing it but still have same results.
Any
> suggestions of something I might check and/or have missed? Is there any
> computer codes used on this model that might give me some clues as to the
> problem? One again thanks for all of your help. Don Smith
>

 

Did you check on the basics?
How is the compression of the engine?
How is the tune and what do the plugs look like?

I had an '87 XJ with the 2.5 engine with the 4 speed manual transmission and
it was slow. Even after a good tune up and a tight engine, it was still
weak on power and just plain slow.
It would get up to speed but if I was even towing an almost empty trailer it
would slow down going up a slight incline. :-( I had to downshift to keep
the engine in a good 'powerband'.

Of course your problem may be weak spark, too much or too little fuel, or a
tired engine. :-(
I sold my 87 XJ when I got my 88 XJ running. ;-)

good luck!
--
later,
dave AKA vwdoc1
88 XJ 4.0 auto
82 Wag Ltd. 360 auto (parts truck)
88 FSJ-GW 360 auto (GRAND 88)
Chicago

"Don Smith" <desmith@innercite.com> wrote in message
news:10i9ttv1899s814@corp.supernews.com...
>
>
> Hi all Back again. I am still having problems getting my 1986 Cherokee
> Pioneer with 2.46L engine and Throttle Body Injection, to give a smooth
> acceleration under load. Seems to be more pronounced during the lower
part
> of the power curve. Downhill it seems to have great acceleration. (No
> Jokes Please) When it starts up a hill it slows down and depressing the
> accelerator pedal seems to make it bog down worse. Depressing the pedal
to
> the floor seems to really cause it to bog down. If I downshift to a lower
> gear and get the RPMs up it seems to be better. But with many hills I have
> to go down two or more gears to even get it over the hill. The hills are
> not all that great. Have tried changing the Map Sensor, checking the
hose
> connections around the TBI for vacuum leaks, all hoses for good
connections
> and proper placement. When I remove the injector from the Throttle Body I
> found only one small O Ring at the bottom. (My manual shows two. One near
> the top of the body) I tried replacing it but still have same results.
Any
> suggestions of something I might check and/or have missed? Is there any
> computer codes used on this model that might give me some clues as to the
> problem? One again thanks for all of your help. Don Smith
>

 

Did you check on the basics?
How is the compression of the engine?
How is the tune and what do the plugs look like?

I had an '87 XJ with the 2.5 engine with the 4 speed manual transmission and
it was slow. Even after a good tune up and a tight engine, it was still
weak on power and just plain slow.
It would get up to speed but if I was even towing an almost empty trailer it
would slow down going up a slight incline. :-( I had to downshift to keep
the engine in a good 'powerband'.

Of course your problem may be weak spark, too much or too little fuel, or a
tired engine. :-(
I sold my 87 XJ when I got my 88 XJ running. ;-)

good luck!
--
later,
dave AKA vwdoc1
88 XJ 4.0 auto
82 Wag Ltd. 360 auto (parts truck)
88 FSJ-GW 360 auto (GRAND 88)
Chicago

"Don Smith" <desmith@innercite.com> wrote in message
news:10i9ttv1899s814@corp.supernews.com...
>
>
> Hi all Back again. I am still having problems getting my 1986 Cherokee
> Pioneer with 2.46L engine and Throttle Body Injection, to give a smooth
> acceleration under load. Seems to be more pronounced during the lower
part
> of the power curve. Downhill it seems to have great acceleration. (No
> Jokes Please) When it starts up a hill it slows down and depressing the
> accelerator pedal seems to make it bog down worse. Depressing the pedal
to
> the floor seems to really cause it to bog down. If I downshift to a lower
> gear and get the RPMs up it seems to be better. But with many hills I have
> to go down two or more gears to even get it over the hill. The hills are
> not all that great. Have tried changing the Map Sensor, checking the
hose
> connections around the TBI for vacuum leaks, all hoses for good
connections
> and proper placement. When I remove the injector from the Throttle Body I
> found only one small O Ring at the bottom. (My manual shows two. One near
> the top of the body) I tried replacing it but still have same results.
Any
> suggestions of something I might check and/or have missed? Is there any
> computer codes used on this model that might give me some clues as to the
> problem? One again thanks for all of your help. Don Smith
>

 

Did you check on the basics?
How is the compression of the engine?
How is the tune and what do the plugs look like?

I had an '87 XJ with the 2.5 engine with the 4 speed manual transmission and
it was slow. Even after a good tune up and a tight engine, it was still
weak on power and just plain slow.
It would get up to speed but if I was even towing an almost empty trailer it
would slow down going up a slight incline. :-( I had to downshift to keep
the engine in a good 'powerband'.

Of course your problem may be weak spark, too much or too little fuel, or a
tired engine. :-(
I sold my 87 XJ when I got my 88 XJ running. ;-)

good luck!
--
later,
dave AKA vwdoc1
88 XJ 4.0 auto
82 Wag Ltd. 360 auto (parts truck)
88 FSJ-GW 360 auto (GRAND 88)
Chicago

"Don Smith" <desmith@innercite.com> wrote in message
news:10i9ttv1899s814@corp.supernews.com...
>
>
> Hi all Back again. I am still having problems getting my 1986 Cherokee
> Pioneer with 2.46L engine and Throttle Body Injection, to give a smooth
> acceleration under load. Seems to be more pronounced during the lower
part
> of the power curve. Downhill it seems to have great acceleration. (No
> Jokes Please) When it starts up a hill it slows down and depressing the
> accelerator pedal seems to make it bog down worse. Depressing the pedal
to
> the floor seems to really cause it to bog down. If I downshift to a lower
> gear and get the RPMs up it seems to be better. But with many hills I have
> to go down two or more gears to even get it over the hill. The hills are
> not all that great. Have tried changing the Map Sensor, checking the
hose
> connections around the TBI for vacuum leaks, all hoses for good
connections
> and proper placement. When I remove the injector from the Throttle Body I
> found only one small O Ring at the bottom. (My manual shows two. One near
> the top of the body) I tried replacing it but still have same results.
Any
> suggestions of something I might check and/or have missed? Is there any
> computer codes used on this model that might give me some clues as to the
> problem? One again thanks for all of your help. Don Smith
>

 

Hi Dave Just went through and did a valve job and head shave to ensure it
is not warped. New plugs, 160 lbs compression on all cylinders, good wires,
etc. When I checked the Throttle Body Injection system I found that the
large "O" ring was missing. I installed a teflon one around the injector
body below the centering ring. ( Should it be above the ring???)

Getting ready to install a new fuel filter but do not expect that to help
much. Starting to suspect something in the Injection system or its parts.
Thanks again Don

"dave AKA vwdoc1" <NO_vwdoc1_SPAM_@hotmail.com_PLEASE> wrote in message
news:VIdVc.3473$ZC7.550@newssvr19.news.prodigy.com ...
> Did you check on the basics?
> How is the compression of the engine?
> How is the tune and what do the plugs look like?
>
> I had an '87 XJ with the 2.5 engine with the 4 speed manual transmission
and
> it was slow. Even after a good tune up and a tight engine, it was still
> weak on power and just plain slow.
> It would get up to speed but if I was even towing an almost empty trailer
it
> would slow down going up a slight incline. :-( I had to downshift to
keep
> the engine in a good 'powerband'.
>
> Of course your problem may be weak spark, too much or too little fuel, or
a
> tired engine. :-(
> I sold my 87 XJ when I got my 88 XJ running. ;-)
>
> good luck!
> --
> later,
> dave AKA vwdoc1
> 88 XJ 4.0 auto
> 82 Wag Ltd. 360 auto (parts truck)
> 88 FSJ-GW 360 auto (GRAND 88)
> Chicago
>
> "Don Smith" <desmith@innercite.com> wrote in message
> news:10i9ttv1899s814@corp.supernews.com...
> >
> >
> > Hi all Back again. I am still having problems getting my 1986 Cherokee
> > Pioneer with 2.46L engine and Throttle Body Injection, to give a smooth
> > acceleration under load. Seems to be more pronounced during the lower
> part
> > of the power curve. Downhill it seems to have great acceleration. (No
> > Jokes Please) When it starts up a hill it slows down and depressing the
> > accelerator pedal seems to make it bog down worse. Depressing the pedal
> to
> > the floor seems to really cause it to bog down. If I downshift to a
lower
> > gear and get the RPMs up it seems to be better. But with many hills I
have
> > to go down two or more gears to even get it over the hill. The hills
are
> > not all that great. Have tried changing the Map Sensor, checking the
> hose
> > connections around the TBI for vacuum leaks, all hoses for good
> connections
> > and proper placement. When I remove the injector from the Throttle Body
I
> > found only one small O Ring at the bottom. (My manual shows two. One
near
> > the top of the body) I tried replacing it but still have same results.
> Any
> > suggestions of something I might check and/or have missed? Is there any
> > computer codes used on this model that might give me some clues as to
the
> > problem? One again thanks for all of your help. Don Smith
> >
>
>


---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.740 / Virus Database: 494 - Release Date: 8/16/04

 

Hi Dave Just went through and did a valve job and head shave to ensure it
is not warped. New plugs, 160 lbs compression on all cylinders, good wires,
etc. When I checked the Throttle Body Injection system I found that the
large "O" ring was missing. I installed a teflon one around the injector
body below the centering ring. ( Should it be above the ring???)

Getting ready to install a new fuel filter but do not expect that to help
much. Starting to suspect something in the Injection system or its parts.
Thanks again Don

"dave AKA vwdoc1" <NO_vwdoc1_SPAM_@hotmail.com_PLEASE> wrote in message
news:VIdVc.3473$ZC7.550@newssvr19.news.prodigy.com ...
> Did you check on the basics?
> How is the compression of the engine?
> How is the tune and what do the plugs look like?
>
> I had an '87 XJ with the 2.5 engine with the 4 speed manual transmission
and
> it was slow. Even after a good tune up and a tight engine, it was still
> weak on power and just plain slow.
> It would get up to speed but if I was even towing an almost empty trailer
it
> would slow down going up a slight incline. :-( I had to downshift to
keep
> the engine in a good 'powerband'.
>
> Of course your problem may be weak spark, too much or too little fuel, or
a
> tired engine. :-(
> I sold my 87 XJ when I got my 88 XJ running. ;-)
>
> good luck!
> --
> later,
> dave AKA vwdoc1
> 88 XJ 4.0 auto
> 82 Wag Ltd. 360 auto (parts truck)
> 88 FSJ-GW 360 auto (GRAND 88)
> Chicago
>
> "Don Smith" <desmith@innercite.com> wrote in message
> news:10i9ttv1899s814@corp.supernews.com...
> >
> >
> > Hi all Back again. I am still having problems getting my 1986 Cherokee
> > Pioneer with 2.46L engine and Throttle Body Injection, to give a smooth
> > acceleration under load. Seems to be more pronounced during the lower
> part
> > of the power curve. Downhill it seems to have great acceleration. (No
> > Jokes Please) When it starts up a hill it slows down and depressing the
> > accelerator pedal seems to make it bog down worse. Depressing the pedal
> to
> > the floor seems to really cause it to bog down. If I downshift to a
lower
> > gear and get the RPMs up it seems to be better. But with many hills I
have
> > to go down two or more gears to even get it over the hill. The hills
are
> > not all that great. Have tried changing the Map Sensor, checking the
> hose
> > connections around the TBI for vacuum leaks, all hoses for good
> connections
> > and proper placement. When I remove the injector from the Throttle Body
I
> > found only one small O Ring at the bottom. (My manual shows two. One
near
> > the top of the body) I tried replacing it but still have same results.
> Any
> > suggestions of something I might check and/or have missed? Is there any
> > computer codes used on this model that might give me some clues as to
the
> > problem? One again thanks for all of your help. Don Smith
> >
>
>


---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.740 / Virus Database: 494 - Release Date: 8/16/04

 

Hi Dave Just went through and did a valve job and head shave to ensure it
is not warped. New plugs, 160 lbs compression on all cylinders, good wires,
etc. When I checked the Throttle Body Injection system I found that the
large "O" ring was missing. I installed a teflon one around the injector
body below the centering ring. ( Should it be above the ring???)

Getting ready to install a new fuel filter but do not expect that to help
much. Starting to suspect something in the Injection system or its parts.
Thanks again Don

"dave AKA vwdoc1" <NO_vwdoc1_SPAM_@hotmail.com_PLEASE> wrote in message
news:VIdVc.3473$ZC7.550@newssvr19.news.prodigy.com ...
> Did you check on the basics?
> How is the compression of the engine?
> How is the tune and what do the plugs look like?
>
> I had an '87 XJ with the 2.5 engine with the 4 speed manual transmission
and
> it was slow. Even after a good tune up and a tight engine, it was still
> weak on power and just plain slow.
> It would get up to speed but if I was even towing an almost empty trailer
it
> would slow down going up a slight incline. :-( I had to downshift to
keep
> the engine in a good 'powerband'.
>
> Of course your problem may be weak spark, too much or too little fuel, or
a
> tired engine. :-(
> I sold my 87 XJ when I got my 88 XJ running. ;-)
>
> good luck!
> --
> later,
> dave AKA vwdoc1
> 88 XJ 4.0 auto
> 82 Wag Ltd. 360 auto (parts truck)
> 88 FSJ-GW 360 auto (GRAND 88)
> Chicago
>
> "Don Smith" <desmith@innercite.com> wrote in message
> news:10i9ttv1899s814@corp.supernews.com...
> >
> >
> > Hi all Back again. I am still having problems getting my 1986 Cherokee
> > Pioneer with 2.46L engine and Throttle Body Injection, to give a smooth
> > acceleration under load. Seems to be more pronounced during the lower
> part
> > of the power curve. Downhill it seems to have great acceleration. (No
> > Jokes Please) When it starts up a hill it slows down and depressing the
> > accelerator pedal seems to make it bog down worse. Depressing the pedal
> to
> > the floor seems to really cause it to bog down. If I downshift to a
lower
> > gear and get the RPMs up it seems to be better. But with many hills I
have
> > to go down two or more gears to even get it over the hill. The hills
are
> > not all that great. Have tried changing the Map Sensor, checking the
> hose
> > connections around the TBI for vacuum leaks, all hoses for good
> connections
> > and proper placement. When I remove the injector from the Throttle Body
I
> > found only one small O Ring at the bottom. (My manual shows two. One
near
> > the top of the body) I tried replacing it but still have same results.
> Any
> > suggestions of something I might check and/or have missed? Is there any
> > computer codes used on this model that might give me some clues as to
the
> > problem? One again thanks for all of your help. Don Smith
> >
>
>


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