Fuel System Cleaning

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Dave aka DLC/dackampf

Fuel System Cleaning

Post by Dave aka DLC/dackampf »

Since i have a miss at idle that i can't seem to shake, i'm going on
to the next step in maintenance, the fuel injection stuff. I've
replaced the filter but that hasn't helped, so i'm looking for the
best way to have the injectors cleaned.

I know that RC Engineering and injector.com both do great work in
testing and cleaning your injectors, but i'm a bit hesitant to remove
them and send them out, not to mention having to drive a truck for 3-
4 days!

When i asked around locally i found a place that uses the Sun/Snap-On
MotorVac system. It's supposedly the best and easiest way to clean
both the injectors and the combustion chamber.

It involves disconnecting the fuel pump and running a detergent
mixture through the fuel rail, injectors and whatnot. It's then
started and run for 30 minutes while digesting this mixture of
detergent and a fuel. It's supposed to be absolutely marvelous and
won't harm a thing.

Sounds like a winner! It's only $119 for the whole thing...

Has anyone had this done? Any thoughts?


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mwebb@A-T-M.com

Fuel System Cleaning

Post by mwebb@A-T-M.com »

Dave,
Have you ever tried to pull the injectors out? It is hard to do with out
breaking them.
I have used an additive called "SeaFoam" recommended by one the local subi
mechanics. Try NAPA. About $5 a can. Just pour a couple cans in over a
couple of tanks of "High Test".

I had a real rough ideal that was in fact an injector that needed to be
replaced. The guy I that fixed it determined which one it was with out
having to remove them. Then he replaced the one that indicated bad. The one
he took out was wrecked when it was taken out.
Good Luck.
Mike

-----Original Message-----
From: Dave aka DLC/dackampf [mailto:legacycentral@yahoo.com]
Sent: Wednesday, October 04, 2000 2:33 PM
To: BC-BFLegacyWorks@egroups.com
Subject: [BC-BFLegacyWorks] Fuel System Cleaning


Since i have a miss at idle that i can't seem to shake, i'm going on
to the next step in maintenance, the fuel injection stuff. I've
replaced the filter but that hasn't helped, so i'm looking for the
best way to have the injectors cleaned.

I know that RC Engineering and injector.com both do great work in
testing and cleaning your injectors, but i'm a bit hesitant to remove
them and send them out, not to mention having to drive a truck for 3-
4 days!

When i asked around locally i found a place that uses the Sun/Snap-On
MotorVac system. It's supposedly the best and easiest way to clean
both the injectors and the combustion chamber.

It involves disconnecting the fuel pump and running a detergent
mixture through the fuel rail, injectors and whatnot. It's then
started and run for 30 minutes while digesting this mixture of
detergent and a fuel. It's supposed to be absolutely marvelous and
won't harm a thing.

Sounds like a winner! It's only $119 for the whole thing...

Has anyone had this done? Any thoughts?


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Josh Colombo

Fuel System Cleaning

Post by Josh Colombo »

Dave, I have had this done, around 85k it did help. The place that did it
said that the injectors are only meant to last about 100k mi so that they
would need to be replaced. I think that's probably true to a point,
depending on how the car was taken care of. I don't think it would hurt to
replace my injectors or get them rebuilt but I can't say I really want to do
that.

I'd go with the compressed can stuff for now....it's definitely more
concentrated, then the fuel additives. I think mine wasn't quite so
expensive but then again it was 5+ years ago.

Josh

************************
Josh Colombo
jcc189@psu.edu <mailto:jcc189@psu.edu>
************************



-----Original Message-----
From: Dave aka DLC/dackampf [mailto:legacycentral@yahoo.com]
Sent: Wednesday, October 04, 2000 2:33 PM
To: BC-BFLegacyWorks@egroups.com
Subject: [BC-BFLegacyWorks] Fuel System Cleaning


Since i have a miss at idle that i can't seem to shake, i'm going on
to the next step in maintenance, the fuel injection stuff. I've
replaced the filter but that hasn't helped, so i'm looking for the
best way to have the injectors cleaned.

I know that RC Engineering and injector.com both do great work in
testing and cleaning your injectors, but i'm a bit hesitant to remove
them and send them out, not to mention having to drive a truck for 3-
4 days!

When i asked around locally i found a place that uses the Sun/Snap-On
MotorVac system. It's supposedly the best and easiest way to clean
both the injectors and the combustion chamber.

It involves disconnecting the fuel pump and running a detergent
mixture through the fuel rail, injectors and whatnot. It's then
started and run for 30 minutes while digesting this mixture of
detergent and a fuel. It's supposed to be absolutely marvelous and
won't harm a thing.

Sounds like a winner! It's only $119 for the whole thing...

Has anyone had this done? Any thoughts?


To unsubscribe from this group, send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com





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Rod Grosvenor

Fuel System Cleaning

Post by Rod Grosvenor »

DAVE-just a thought on same-I had my EFI flushed @ a local dealer-it`s
recommended about every 60k or so-(I flush p/s @ 60 & brake system @ 30k
also). Cost was 1 hr. labor & the flushing agent-approx $75 total. I`ve been
experimenting with the Z-max fluids in the gas/oil/trans & am pleased so
far. With 144k+, no miss anywhere. ROD
----- Original Message -----
From: "Dave aka DLC/dackampf" <legacycentral@yahoo.com>
To: <BC-BFLegacyWorks@egroups.com>
Sent: Wednesday, October 04, 2000 11:32 AM
Subject: [BC-BFLegacyWorks] Fuel System Cleaning


> Since i have a miss at idle that i can't seem to shake, i'm going on
> to the next step in maintenance, the fuel injection stuff. I've
> replaced the filter but that hasn't helped, so i'm looking for the
> best way to have the injectors cleaned.
>
> I know that RC Engineering and injector.com both do great work in
> testing and cleaning your injectors, but i'm a bit hesitant to remove
> them and send them out, not to mention having to drive a truck for 3-
> 4 days!
>
> When i asked around locally i found a place that uses the Sun/Snap-On
> MotorVac system. It's supposedly the best and easiest way to clean
> both the injectors and the combustion chamber.
>
> It involves disconnecting the fuel pump and running a detergent
> mixture through the fuel rail, injectors and whatnot. It's then
> started and run for 30 minutes while digesting this mixture of
> detergent and a fuel. It's supposed to be absolutely marvelous and
> won't harm a thing.
>
> Sounds like a winner! It's only $119 for the whole thing...
>
> Has anyone had this done? Any thoughts?
>
>
> To unsubscribe from this group, send an email to:
> BC-BFLegacyWorks-unsubscribe@egroups.com
>
>
>


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Dave aka DLC/dackampf

Fuel System Cleaning

Post by Dave aka DLC/dackampf »

I went ahead and did it last night. It's really fascinating how
simple it is and how good a job it does.

Basically they route the fuel to the machine and add their detergent
to it and run the car at idle for about 30 minutes. They then
disconnect the intake, spray out the throttle body and take it for a
spin.

The results aren't stellar but i can tell a big difference in power
off-boost. It pulls up hills and from lights with noticeably more
oomph.

Unfortunately the miss remains...

So i guess it could be a bad injector, or a cylinder with low
compression, or a vacuum leak i can't find. Any other ideas?

--- In BC-BFLegacyWorks@egroups.com, "Rod Grosvenor" <roderic@c...>
wrote:
> DAVE-just a thought on same-I had my EFI flushed @ a local dealer-
it`s
> recommended about every 60k or so-(I flush p/s @ 60 & brake system
@ 30k
> also). Cost was 1 hr. labor & the flushing agent-approx $75 total.
I`ve been
> experimenting with the Z-max fluids in the gas/oil/trans & am
pleased so
> far. With 144k+, no miss anywhere. ROD
> ----- Original Message -----
> From: "Dave aka DLC/dackampf" <legacycentral@y...>
> To: <BC-BFLegacyWorks@egroups.com>
> Sent: Wednesday, October 04, 2000 11:32 AM
> Subject: [BC-BFLegacyWorks] Fuel System Cleaning
>
>
> > Since i have a miss at idle that i can't seem to shake, i'm going
on
> > to the next step in maintenance, the fuel injection stuff. I've
> > replaced the filter but that hasn't helped, so i'm looking for the
> > best way to have the injectors cleaned.
> >
> > I know that RC Engineering and injector.com both do great work in
> > testing and cleaning your injectors, but i'm a bit hesitant to
remove
> > them and send them out, not to mention having to drive a truck
for 3-
> > 4 days!
> >
> > When i asked around locally i found a place that uses the
Sun/Snap-On
> > MotorVac system. It's supposedly the best and easiest way to
clean
> > both the injectors and the combustion chamber.
> >
> > It involves disconnecting the fuel pump and running a detergent
> > mixture through the fuel rail, injectors and whatnot. It's then
> > started and run for 30 minutes while digesting this mixture of
> > detergent and a fuel. It's supposed to be absolutely marvelous
and
> > won't harm a thing.
> >
> > Sounds like a winner! It's only $119 for the whole thing...
> >
> > Has anyone had this done? Any thoughts?
> >
> >
> > To unsubscribe from this group, send an email to:
> > BC-BFLegacyWorks-unsubscribe@egroups.com
> >
> >
> >


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matt scicchitano

Fuel System Cleaning

Post by matt scicchitano »

Plug wires. :)

>Any other ideas?




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Josh Colombo

Fuel System Cleaning

Post by Josh Colombo »

I saw the Z-max stuff. So you like it huh? I've played around with slick
50 and prolong back in the day....but I can't say I noticed extreme
increases, but Zmax's claims do look pretty good. Can you get it in auto
parts stores or is it mail order only? How long have you been using it..do
you have to add more every time you change oil?

Thanks

Josh
************************
Josh Colombo
jcc189@psu.edu <mailto:jcc189@psu.edu>
************************



-----Original Message-----
From: Rod Grosvenor [mailto:roderic@cableone.net]
Sent: Thursday, October 05, 2000 83 AM
To: BC-BFLegacyWorks@egroups.com
Subject: Re: [BC-BFLegacyWorks] Fuel System Cleaning


DAVE-just a thought on same-I had my EFI flushed @ a local dealer-it`s
recommended about every 60k or so-(I flush p/s @ 60 & brake system @ 30k
also). Cost was 1 hr. labor & the flushing agent-approx $75 total. I`ve been
experimenting with the Z-max fluids in the gas/oil/trans & am pleased so
far. With 144k+, no miss anywhere. ROD
----- Original Message -----
From: "Dave aka DLC/dackampf" <legacycentral@yahoo.com>
To: <BC-BFLegacyWorks@egroups.com>
Sent: Wednesday, October 04, 2000 11:32 AM
Subject: [BC-BFLegacyWorks] Fuel System Cleaning


> Since i have a miss at idle that i can't seem to shake, i'm going on
> to the next step in maintenance, the fuel injection stuff. I've
> replaced the filter but that hasn't helped, so i'm looking for the
> best way to have the injectors cleaned.
>
> I know that RC Engineering and injector.com both do great work in
> testing and cleaning your injectors, but i'm a bit hesitant to remove
> them and send them out, not to mention having to drive a truck for 3-
> 4 days!
>
> When i asked around locally i found a place that uses the Sun/Snap-On
> MotorVac system. It's supposedly the best and easiest way to clean
> both the injectors and the combustion chamber.
>
> It involves disconnecting the fuel pump and running a detergent
> mixture through the fuel rail, injectors and whatnot. It's then
> started and run for 30 minutes while digesting this mixture of
> detergent and a fuel. It's supposed to be absolutely marvelous and
> won't harm a thing.
>
> Sounds like a winner! It's only $119 for the whole thing...
>
> Has anyone had this done? Any thoughts?
>
>
> To unsubscribe from this group, send an email to:
> BC-BFLegacyWorks-unsubscribe@egroups.com
>
>
>


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matt scicchitano

Fuel System Cleaning

Post by matt scicchitano »

While we're on the subject of fuel additives, if you get a chance, pick up
some BG 44K. It's expensive but it works. I'm not one for additives at all,
but the BG brand just seems to make fantastic stuff.

You can either add it to your fuel, or they have a system where they dump it
in a bag and hook the bag to the vacumn line. Then start the car and it will
suck all the 44K in very quickly, then you shut the car off so the 44K can
"cook" the carbon from the valves and piston tops and rings. I personally
never did it that way before, but just by putting it into the fuel tank
results in a difference( for me anyway). Good stuff for sure.
-----Original Message-----
From: Josh Colombo <jcc189@psu.edu>
To: BC-BFLegacyWorks@egroups.com <BC-BFLegacyWorks@egroups.com>
Date: Thursday, October 05, 2000 8:34 AM
Subject: RE: [BC-BFLegacyWorks] Fuel System Cleaning


>I saw the Z-max stuff. So you like it huh? I've played around with slick
>50 and prolong back in the day....but I can't say I noticed extreme
>increases, but Zmax's claims do look pretty good. Can you get it in auto
>parts stores or is it mail order only? How long have you been using it..do
>you have to add more every time you change oil?
>
>Thanks
>
>Josh



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Dave aka DLC/dackampf

Fuel System Cleaning

Post by Dave aka DLC/dackampf »

I got some NAPA wires till my Magnecor GB ges through.

--- In BC-BFLegacyWorks@egroups.com, "matt scicchitano" <nzwrc1@s...>
wrote:
> Plug wires. :)
>
> >Any other ideas?


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matt scicchitano

Fuel System Cleaning

Post by matt scicchitano »

Oops. My bad, Dave. Just to refresh our memories, when exactly does it miss?
Only at WOT(full boost)? Anytime there is a slight load on the engine such
as going up a hill? Does it happen even when not under boost? Is it a hard
miss(jerky) or does it just sort of pulsate(hesitate on and off)? Maybe the
airflow meter?

-Matt



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Josh Colombo

Fuel System Cleaning

Post by Josh Colombo »

that could be the problem....I personally haven't had much luck with
napa....don't know why....

************************
Josh Colombo
jcc189@psu.edu <mailto:jcc189@psu.edu>
************************



-----Original Message-----
From: Dave aka DLC/dackampf [mailto:legacycentral@yahoo.com]
Sent: Thursday, October 05, 2000 11:46 AM
To: BC-BFLegacyWorks@egroups.com
Subject: [BC-BFLegacyWorks] Re: Fuel System Cleaning


I got some NAPA wires till my Magnecor GB ges through.

--- In BC-BFLegacyWorks@egroups.com, "matt scicchitano" <nzwrc1@s...>
wrote:
> Plug wires. :)
>
> >Any other ideas?


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Gordie Hatt

Fuel System Cleaning

Post by Gordie Hatt »

Perhaps 1 bad coil

more ideas ?
----- Original Message -----
From: matt scicchitano <nzwrc1@sunlink.net>
To: <BC-BFLegacyWorks@egroups.com>
Sent: October 5, 2000 3:35 PM
Subject: Re: [BC-BFLegacyWorks] Re: Fuel System Cleaning


> Plug wires. :)
>
> >Any other ideas?
>
>
>
>
> To unsubscribe from this group, send an email to:
> BC-BFLegacyWorks-unsubscribe@egroups.com
>
>
>
>
>
>


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Dave aka DLC/dackampf

Fuel System Cleaning

Post by Dave aka DLC/dackampf »

The only time i can feel it is when it's idling. It just stumbles
and lopes a bit at random intervals. I can't tell if it's missing
anywhere else but i don't have any problems at WOT or otherwise.

--- In BC-BFLegacyWorks@egroups.com, "matt scicchitano" <nzwrc1@s...>
wrote:
> Oops. My bad, Dave. Just to refresh our memories, when exactly does
it miss?
> Only at WOT(full boost)? Anytime there is a slight load on the
engine such
> as going up a hill? Does it happen even when not under boost? Is it
a hard
> miss(jerky) or does it just sort of pulsate(hesitate on and off)?
Maybe the
> airflow meter?
>
> -Matt


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Dave aka DLC/dackampf

Fuel System Cleaning

Post by Dave aka DLC/dackampf »

They're better than the wires i had. I had a 3.5-4ohm difference in
resistance between the four wires and they were OLD!

--- In BC-BFLegacyWorks@egroups.com, "Josh Colombo" <jcc189@p...>
wrote:
> that could be the problem....I personally haven't had much luck with
> napa....don't know why....
>
> ************************
> Josh Colombo
> jcc189@p... <mailto:jcc189@p...>
> ************************
>
>
>
> -----Original Message-----
> From: Dave aka DLC/dackampf [mailto:legacycentral@y...]
> Sent: Thursday, October 05, 2000 11:46 AM
> To: BC-BFLegacyWorks@egroups.com
> Subject: [BC-BFLegacyWorks] Re: Fuel System Cleaning
>
>
> I got some NAPA wires till my Magnecor GB ges through.
>
> --- In BC-BFLegacyWorks@egroups.com, "matt scicchitano"
<nzwrc1@s...>
> wrote:
> > Plug wires. :)
> >
> > >Any other ideas?
>
>
> To unsubscribe from this group, send an email to:
> BC-BFLegacyWorks-unsubscribe@egroups.com


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Dave aka DLC/dackampf

Fuel System Cleaning

Post by Dave aka DLC/dackampf »

I am leaning toward the possiblity that the coil is malfunctioning.
I'm going to test it again tonight and see what i come up with.

--- In BC-BFLegacyWorks@egroups.com, "Gordie Hatt" <gordhatt@f...>
wrote:
> Perhaps 1 bad coil
>
> more ideas ?
> ----- Original Message -----
> From: matt scicchitano <nzwrc1@s...>
> To: <BC-BFLegacyWorks@egroups.com>
> Sent: October 5, 2000 3:35 PM
> Subject: Re: [BC-BFLegacyWorks] Re: Fuel System Cleaning
>
>
> > Plug wires. :)
> >
> > >Any other ideas?
> >
> >
> >
> >
> > To unsubscribe from this group, send an email to:
> > BC-BFLegacyWorks-unsubscribe@egroups.com
> >
> >
> >
> >
> >
> >


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mwebb@A-T-M.com

Fuel System Cleaning

Post by mwebb@A-T-M.com »

Dave,
On my 90 Leg it had the same thing, rough ideal like a bad cam. Under WFO it
still seemed to pull strong. Ended up being an injector.
Mike

-----Original Message-----
From: Dave aka DLC/dackampf [mailto:legacycentral@yahoo.com]
Sent: Thursday, October 05, 2000 2:27 PM
To: BC-BFLegacyWorks@egroups.com
Subject: [BC-BFLegacyWorks] Re: Fuel System Cleaning


The only time i can feel it is when it's idling. It just stumbles
and lopes a bit at random intervals. I can't tell if it's missing
anywhere else but i don't have any problems at WOT or otherwise.

--- In BC-BFLegacyWorks@egroups.com, "matt scicchitano" <nzwrc1@s...>
wrote:
> Oops. My bad, Dave. Just to refresh our memories, when exactly does
it miss?
> Only at WOT(full boost)? Anytime there is a slight load on the
engine such
> as going up a hill? Does it happen even when not under boost? Is it
a hard
> miss(jerky) or does it just sort of pulsate(hesitate on and off)?
Maybe the
> airflow meter?
>
> -Matt


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jason grahn

Fuel System Cleaning

Post by jason grahn »

>still seemed to pull strong. Ended up being an injector.

What steps did you take to find out it was an injector? My '90 does the same
thing.

Jason
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mwebb@A-T-M.com

Fuel System Cleaning

Post by mwebb@A-T-M.com »

I took it to an independent guy who trained all of the dealer Subaru
mechanics in Cinti, Oh.
Don't remember how he said he determined it. May have been as simple as
pulling the injector plug wires, until he found one that did not make the
car run worse. Before this he checked all cylinder pressures, fuel delivery
ect.

I gave up when I tried to remove one to check it, and could see I would
likely break the unit if I kept screwing with it. They are tight! If you are
successful at getting one out you could probably tell it was bad. The bad
one I got back was looking pretty dirty.
Good Luck,
Mike
-----Original Message-----
From: jason grahn [mailto:jgrahn555@hotmail.com]
Sent: Thursday, October 05, 2000 3:35 PM
To: BC-BFLegacyWorks@egroups.com
Subject: RE: [BC-BFLegacyWorks] Re: Fuel System Cleaning



>still seemed to pull strong. Ended up being an injector.

What steps did you take to find out it was an injector? My '90 does the same
thing.

Jason
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matt scicchitano

Fuel System Cleaning

Post by matt scicchitano »

Dave, since it only does it at idle, maybe you can pull the plug wires off
one by one. When you pull one off and the car doesn't do anything
differently, then at least you would know what area it's coming from. Also,
did you try taking your Idle Air Control Valve apart and cleaning it good.
Sometimes it works, sometimes it doesn't, but a bad IACS on a first gen
Legacy isn't exactly uncommon. You can also try spraying something around
all the vacum lines/connections and gaskets to see if the idle goes up any.

-Matt



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Dave aka DLC/dackampf

Fuel System Cleaning

Post by Dave aka DLC/dackampf »

I'd love to check the IACS, if i knew what and where it was...

I'll try the plug-wire trick and see what that nets and i'll see if i
can do anything with the vacuum. What do you suggest spraying?

--- In BC-BFLegacyWorks@egroups.com, "matt scicchitano" <nzwrc1@s...>
wrote:
> Dave, since it only does it at idle, maybe you can pull the plug
wires off
> one by one. When you pull one off and the car doesn't do anything
> differently, then at least you would know what area it's coming
from. Also,
> did you try taking your Idle Air Control Valve apart and cleaning
it good.
> Sometimes it works, sometimes it doesn't, but a bad IACS on a first
gen
> Legacy isn't exactly uncommon. You can also try spraying something
around
> all the vacum lines/connections and gaskets to see if the idle goes
up any.
>
> -Matt


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matt scicchitano

Fuel System Cleaning

Post by matt scicchitano »

Dave, the IACV simple controls the amount of air entering the engine at idle
since the throttle plate is shut tight. I believe it also raises the idle
when the AC/Defrost is on. It's on the right side of the throttle body(if
you're in the car) and the large hose from your resonator in the intake goes
to it.

As far as where to spray, just about anywhere there is a vacum line and/or
connection and around the throttle body gasket and intake gaskets. Your idle
should go up and/or smooth out if you spray the problem spot.

-Matt
-----Original Message-----
From: Dave aka DLC/dackampf <legacycentral@yahoo.com>
To: BC-BFLegacyWorks@egroups.com <BC-BFLegacyWorks@egroups.com>
Date: Thursday, October 05, 2000 2:21 PM
Subject: [BC-BFLegacyWorks] Re: Fuel System Cleaning


>I'd love to check the IACS, if i knew what and where it was...
>
>I'll try the plug-wire trick and see what that nets and i'll see if i
>can do anything with the vacuum. What do you suggest spraying?
>



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Gordie Hatt

Fuel System Cleaning

Post by Gordie Hatt »

My 91 turbo was idling rough also kind of like a big block with a great cam.
I put on a new PCV last weekend and it seems to be idling ok now
----- Original Message -----
From: <mwebb@A-T-M.com>
To: <BC-BFLegacyWorks@egroups.com>
Sent: October 5, 2000 45 PM
Subject: RE: [BC-BFLegacyWorks] Re: Fuel System Cleaning


> Dave,
> On my 90 Leg it had the same thing, rough ideal like a bad cam. Under WFO
it
> still seemed to pull strong. Ended up being an injector.
> Mike
>
> -----Original Message-----
> From: Dave aka DLC/dackampf [mailto:legacycentral@yahoo.com]
> Sent: Thursday, October 05, 2000 2:27 PM
> To: BC-BFLegacyWorks@egroups.com
> Subject: [BC-BFLegacyWorks] Re: Fuel System Cleaning
>
>
> The only time i can feel it is when it's idling. It just stumbles
> and lopes a bit at random intervals. I can't tell if it's missing
> anywhere else but i don't have any problems at WOT or otherwise.
>
> --- In BC-BFLegacyWorks@egroups.com, "matt scicchitano" <nzwrc1@s...>
> wrote:
> > Oops. My bad, Dave. Just to refresh our memories, when exactly does
> it miss?
> > Only at WOT(full boost)? Anytime there is a slight load on the
> engine such
> > as going up a hill? Does it happen even when not under boost? Is it
> a hard
> > miss(jerky) or does it just sort of pulsate(hesitate on and off)?
> Maybe the
> > airflow meter?
> >
> > -Matt
>
>
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Dave aka DLC/dackampf

Fuel System Cleaning

Post by Dave aka DLC/dackampf »

Is it the round thing on the middle right with connections to the
resonator, another T and one more hose that goes to a
cylindrical canister out of the picture?

http://www.xmission.com/~dac/images/93/ ... ifold_conn
ect.jpg

If so, how do i test it, or should i replace it?

I have replaced the PCV valve.

--- In BC-BFLegacyWorks@egroups.com, "matt scicchitano"
<nzwrc1@s...> wrote:
> Dave, the IACV simple controls the amount of air entering the
engine at idle
> since the throttle plate is shut tight. I believe it also raises
the
idle
> when the AC/Defrost is on. It's on the right side of the throttle
body(if
> you're in the car) and the large hose from your resonator in the
intake goes
> to it.
>
> As far as where to spray, just about anywhere there is a vacum
line and/or
> connection and around the throttle body gasket and intake
gaskets. Your idle
> should go up and/or smooth out if you spray the problem spot.
>
> -Matt
> -----Original Message-----
> From: Dave aka DLC/dackampf <legacycentral@y...>
> To: BC-BFLegacyWorks@egroups.com
<BC-BFLegacyWorks@egroups.com>
> Date: Thursday, October 05, 2000 2:21 PM
> Subject: [BC-BFLegacyWorks] Re: Fuel System Cleaning
>
>
> >I'd love to check the IACS, if i knew what and where it was...
> >
> >I'll try the plug-wire trick and see what that nets and i'll see
if i
> >can do anything with the vacuum. What do you suggest
spraying?
> >


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Rod Grosvenor

Fuel System Cleaning

Post by Rod Grosvenor »

Josh-I use the Z-max every 6k miles as recommended-biggest difference was
about 2 mpg increase & a slightly better throttle response. Several auto
stores now have it & can be purchased w/o phoning in; if no one in your area
like Pep Boys or Auto Zone don`t have it, let me know & I`ll get you a name
& number to call. BTW, my Iridium plugs & 8mm wires are on the way-info soon
on any improvement. I`m doing a compression test before the plugs go in to
test the suitability for 55-75 HP increase by nitrous. I forgot to mention
that I`ve been using the `Max` for about 6 mos. Post again soon-ROD
----- Original Message -----
From: "Josh Colombo" <jcc189@psu.edu>
To: <BC-BFLegacyWorks@egroups.com>
Sent: Thursday, October 05, 2000 8:30 AM
Subject: RE: [BC-BFLegacyWorks] Fuel System Cleaning


> I saw the Z-max stuff. So you like it huh? I've played around with slick
> 50 and prolong back in the day....but I can't say I noticed extreme
> increases, but Zmax's claims do look pretty good. Can you get it in auto
> parts stores or is it mail order only? How long have you been using
it..do
> you have to add more every time you change oil?
>
> Thanks
>
> Josh
> ************************
> Josh Colombo
> jcc189@psu.edu <mailto:jcc189@psu.edu>
> ************************
>
>
>
> -----Original Message-----
> From: Rod Grosvenor [mailto:roderic@cableone.net]
> Sent: Thursday, October 05, 2000 83 AM
> To: BC-BFLegacyWorks@egroups.com
> Subject: Re: [BC-BFLegacyWorks] Fuel System Cleaning
>
>
> DAVE-just a thought on same-I had my EFI flushed @ a local dealer-it`s
> recommended about every 60k or so-(I flush p/s @ 60 & brake system @ 30k
> also). Cost was 1 hr. labor & the flushing agent-approx $75 total. I`ve
been
> experimenting with the Z-max fluids in the gas/oil/trans & am pleased so
> far. With 144k+, no miss anywhere. ROD
> ----- Original Message -----
> From: "Dave aka DLC/dackampf" <legacycentral@yahoo.com>
> To: <BC-BFLegacyWorks@egroups.com>
> Sent: Wednesday, October 04, 2000 11:32 AM
> Subject: [BC-BFLegacyWorks] Fuel System Cleaning
>
>
> > Since i have a miss at idle that i can't seem to shake, i'm going on
> > to the next step in maintenance, the fuel injection stuff. I've
> > replaced the filter but that hasn't helped, so i'm looking for the
> > best way to have the injectors cleaned.
> >
> > I know that RC Engineering and injector.com both do great work in
> > testing and cleaning your injectors, but i'm a bit hesitant to remove
> > them and send them out, not to mention having to drive a truck for 3-
> > 4 days!
> >
> > When i asked around locally i found a place that uses the Sun/Snap-On
> > MotorVac system. It's supposedly the best and easiest way to clean
> > both the injectors and the combustion chamber.
> >
> > It involves disconnecting the fuel pump and running a detergent
> > mixture through the fuel rail, injectors and whatnot. It's then
> > started and run for 30 minutes while digesting this mixture of
> > detergent and a fuel. It's supposed to be absolutely marvelous and
> > won't harm a thing.
> >
> > Sounds like a winner! It's only $119 for the whole thing...
> >
> > Has anyone had this done? Any thoughts?
> >
> >
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> >
> >
> >
>
>
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