You must not live in Kalifornia, just the regular SMOG check is
done with an oscilloscope, hooked to the Department of Motor Vehicles,
Sacramento:
http://www.----------.com/smog.jpg Code readers are not going to get the
exact information as in these examples of ignition, and fuel injector
systems screens:
http://www.vetronix.com/diagnostics/..._examples.html
God Bless America, ßill O|||||||O
mailto:--------------------

JimG wrote:
>
> They don't use o-scopes anymore Bill!
> <now waiting for Bill to post link of an o-scope picture>
> :-)
>
> --
> JimG
> 80' CJ-7 258 CID, HEI
> 4.56 Gears, Lock-Right F&R
> 35" BFG MT on 15x10 Centerlines
> D44 Rear, D30 Front. SOA
> Dana 300 w/4:1 & Currie twin sticks
> Warn X8000i w/ dual batteries
>
> 00' TJ Sport 4.0L, 5sp
> 4.56 Gears, TrueTrac rear
> 33" BFG AT on 15x8 Eagle Alloys
> D35 Rear, D30 Front. 3" Suspension Lift

 

Damn! Who was that handsome dude?

Dave Milne wrote:
>
> here you go !
>
> http://www.----------.com/oscilloscope.jpg
>
> Dave Milne, Scotland
> '91 Grand Wagoneer, '99 TJ

 

Damn! Who was that handsome dude?

Dave Milne wrote:
>
> here you go !
>
> http://www.----------.com/oscilloscope.jpg
>
> Dave Milne, Scotland
> '91 Grand Wagoneer, '99 TJ

 

Damn! Who was that handsome dude?

Dave Milne wrote:
>
> here you go !
>
> http://www.----------.com/oscilloscope.jpg
>
> Dave Milne, Scotland
> '91 Grand Wagoneer, '99 TJ

 

very natty 'burns :-)

Dave Milne, Scotland
'91 Grand Wagoneer, '99 TJ

"L.W. (ßill) ------ III" <----------@***.net> wrote in message
news:41757928.26B0715C@***.net...
> Damn! Who was that handsome dude?
>
> Dave Milne wrote:
> >
> > here you go !
> >
> > http://www.----------.com/oscilloscope.jpg
> >
> > Dave Milne, Scotland
> > '91 Grand Wagoneer, '99 TJ

 

very natty 'burns :-)

Dave Milne, Scotland
'91 Grand Wagoneer, '99 TJ

"L.W. (ßill) ------ III" <----------@***.net> wrote in message
news:41757928.26B0715C@***.net...
> Damn! Who was that handsome dude?
>
> Dave Milne wrote:
> >
> > here you go !
> >
> > http://www.----------.com/oscilloscope.jpg
> >
> > Dave Milne, Scotland
> > '91 Grand Wagoneer, '99 TJ

 

very natty 'burns :-)

Dave Milne, Scotland
'91 Grand Wagoneer, '99 TJ

"L.W. (ßill) ------ III" <----------@***.net> wrote in message
news:41757928.26B0715C@***.net...
> Damn! Who was that handsome dude?
>
> Dave Milne wrote:
> >
> > here you go !
> >
> > http://www.----------.com/oscilloscope.jpg
> >
> > Dave Milne, Scotland
> > '91 Grand Wagoneer, '99 TJ

 

Matt Macchiarolo did pass the time by typing:
> No dist cap in the 01. They went to coil-on-plug with the 2000 model year.

Yep, that's why I added cop. While unlikely, it is possible for
that rail to get damaged. Especially if you arn't carefull taking
it off or neglect the harness at the back. Just making the answer
generic.

> "IsellJeeps" wrote ...
>> cracked cap?

See above. :)

>> "DougW" wrote ...
>>> Matt Macchiarolo did pass the time by typing:
>>>> And it will be a crank position sensor.
>>>
>>> Or ignition coil, shorted or broken sensor wire,
>>> loose battery connection, cracked spark plug,
>>> carbon trace or cracked cap/rotor/cop etc.
>>>
>>> cop == coil on plug
>>>
>>> Lots of things will cause bucking. Since it's a 2001
>>> let the dealer plug it into a scantool and see what the
>>> computer says.
>>>
>>> --
>>> DougW

 

Matt Macchiarolo did pass the time by typing:
> No dist cap in the 01. They went to coil-on-plug with the 2000 model year.

Yep, that's why I added cop. While unlikely, it is possible for
that rail to get damaged. Especially if you arn't carefull taking
it off or neglect the harness at the back. Just making the answer
generic.

> "IsellJeeps" wrote ...
>> cracked cap?

See above. :)

>> "DougW" wrote ...
>>> Matt Macchiarolo did pass the time by typing:
>>>> And it will be a crank position sensor.
>>>
>>> Or ignition coil, shorted or broken sensor wire,
>>> loose battery connection, cracked spark plug,
>>> carbon trace or cracked cap/rotor/cop etc.
>>>
>>> cop == coil on plug
>>>
>>> Lots of things will cause bucking. Since it's a 2001
>>> let the dealer plug it into a scantool and see what the
>>> computer says.
>>>
>>> --
>>> DougW

 

Matt Macchiarolo did pass the time by typing:
> No dist cap in the 01. They went to coil-on-plug with the 2000 model year.

Yep, that's why I added cop. While unlikely, it is possible for
that rail to get damaged. Especially if you arn't carefull taking
it off or neglect the harness at the back. Just making the answer
generic.

> "IsellJeeps" wrote ...
>> cracked cap?

See above. :)

>> "DougW" wrote ...
>>> Matt Macchiarolo did pass the time by typing:
>>>> And it will be a crank position sensor.
>>>
>>> Or ignition coil, shorted or broken sensor wire,
>>> loose battery connection, cracked spark plug,
>>> carbon trace or cracked cap/rotor/cop etc.
>>>
>>> cop == coil on plug
>>>
>>> Lots of things will cause bucking. Since it's a 2001
>>> let the dealer plug it into a scantool and see what the
>>> computer says.
>>>
>>> --
>>> DougW