J Charlet

Hello;

I replaced my wires, cap, rotor, and plugs last year on my '99 TJ 6 cyl.
Now I've got a slight (but getting slowly worse) misfire at all RPM's.
First thing I'd like to try is replacing the ignitions parts with OEM.
Anybody have OEM part number info or even just the manufacturers themselves,
or where I can find them (other than the dealer)?

Thanks,
Josh

c

"J Charlet" <rotaryrx@triad.rr.com> wrote in message
news:TQTHc.111356$wH4.6192823@twister.southeast.rr .com...
> Hello;
>
> I replaced my wires, cap, rotor, and plugs last year on my '99 TJ 6 cyl.
> Now I've got a slight (but getting slowly worse) misfire at all RPM's.
> First thing I'd like to try is replacing the ignitions parts with OEM.
> Anybody have OEM part number info or even just the manufacturers
themselves,
> or where I can find them (other than the dealer)?
>
> Thanks,
> Josh
>
>

Before you start throwing parts at your Jeep, you may want to do some
troubleshooting. This could be many things not ignition related. I would do
a compression test first, and while you have the plugs out, check them to
see if one of them is colored differently than the rest. This could indicate
a faulty fuel injector, or possibly something internal in the engine. Make
sure all the compression readings are within 10-15% of each other. You may
have a sticky, leaky, or dead fuel injector as well. This will be relatively
easy to diagnose when you look at the plugs. Look for a wet or black plug.
There will more than likely be one that is colored different than the rest.
If all is well, the plugs should be a light straw (tan) color.

Chris

c

"J Charlet" <rotaryrx@triad.rr.com> wrote in message
news:TQTHc.111356$wH4.6192823@twister.southeast.rr .com...
> Hello;
>
> I replaced my wires, cap, rotor, and plugs last year on my '99 TJ 6 cyl.
> Now I've got a slight (but getting slowly worse) misfire at all RPM's.
> First thing I'd like to try is replacing the ignitions parts with OEM.
> Anybody have OEM part number info or even just the manufacturers
themselves,
> or where I can find them (other than the dealer)?
>
> Thanks,
> Josh
>
>

Before you start throwing parts at your Jeep, you may want to do some
troubleshooting. This could be many things not ignition related. I would do
a compression test first, and while you have the plugs out, check them to
see if one of them is colored differently than the rest. This could indicate
a faulty fuel injector, or possibly something internal in the engine. Make
sure all the compression readings are within 10-15% of each other. You may
have a sticky, leaky, or dead fuel injector as well. This will be relatively
easy to diagnose when you look at the plugs. Look for a wet or black plug.
There will more than likely be one that is colored different than the rest.
If all is well, the plugs should be a light straw (tan) color.

Chris

c

"J Charlet" <rotaryrx@triad.rr.com> wrote in message
news:TQTHc.111356$wH4.6192823@twister.southeast.rr .com...
> Hello;
>
> I replaced my wires, cap, rotor, and plugs last year on my '99 TJ 6 cyl.
> Now I've got a slight (but getting slowly worse) misfire at all RPM's.
> First thing I'd like to try is replacing the ignitions parts with OEM.
> Anybody have OEM part number info or even just the manufacturers
themselves,
> or where I can find them (other than the dealer)?
>
> Thanks,
> Josh
>
>

Before you start throwing parts at your Jeep, you may want to do some
troubleshooting. This could be many things not ignition related. I would do
a compression test first, and while you have the plugs out, check them to
see if one of them is colored differently than the rest. This could indicate
a faulty fuel injector, or possibly something internal in the engine. Make
sure all the compression readings are within 10-15% of each other. You may
have a sticky, leaky, or dead fuel injector as well. This will be relatively
easy to diagnose when you look at the plugs. Look for a wet or black plug.
There will more than likely be one that is colored different than the rest.
If all is well, the plugs should be a light straw (tan) color.

Chris

c

"J Charlet" <rotaryrx@triad.rr.com> wrote in message
news:TQTHc.111356$wH4.6192823@twister.southeast.rr .com...
> Hello;
>
> I replaced my wires, cap, rotor, and plugs last year on my '99 TJ 6 cyl.
> Now I've got a slight (but getting slowly worse) misfire at all RPM's.
> First thing I'd like to try is replacing the ignitions parts with OEM.
> Anybody have OEM part number info or even just the manufacturers
themselves,
> or where I can find them (other than the dealer)?
>
> Thanks,
> Josh
>
>

Before you start throwing parts at your Jeep, you may want to do some
troubleshooting. This could be many things not ignition related. I would do
a compression test first, and while you have the plugs out, check them to
see if one of them is colored differently than the rest. This could indicate
a faulty fuel injector, or possibly something internal in the engine. Make
sure all the compression readings are within 10-15% of each other. You may
have a sticky, leaky, or dead fuel injector as well. This will be relatively
easy to diagnose when you look at the plugs. Look for a wet or black plug.
There will more than likely be one that is colored different than the rest.
If all is well, the plugs should be a light straw (tan) color.

Chris

L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III

Go with your parts counter person's recommendations at your
favorite local auto parts store. Of course, if you ask for cheap parts,
that's what you'll get. The stock plug is: Champion RC12LYC, many prefer
Autolite, or AC. Stay away from snake oils such as spitfire
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

J Charlet wrote:
>
> Hello;
>
> I replaced my wires, cap, rotor, and plugs last year on my '99 TJ 6 cyl.
> Now I've got a slight (but getting slowly worse) misfire at all RPM's.
> First thing I'd like to try is replacing the ignitions parts with OEM.
> Anybody have OEM part number info or even just the manufacturers themselves,
> or where I can find them (other than the dealer)?
>
> Thanks,
> Josh

L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III

Go with your parts counter person's recommendations at your
favorite local auto parts store. Of course, if you ask for cheap parts,
that's what you'll get. The stock plug is: Champion RC12LYC, many prefer
Autolite, or AC. Stay away from snake oils such as spitfire
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

J Charlet wrote:
>
> Hello;
>
> I replaced my wires, cap, rotor, and plugs last year on my '99 TJ 6 cyl.
> Now I've got a slight (but getting slowly worse) misfire at all RPM's.
> First thing I'd like to try is replacing the ignitions parts with OEM.
> Anybody have OEM part number info or even just the manufacturers themselves,
> or where I can find them (other than the dealer)?
>
> Thanks,
> Josh

L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III

Go with your parts counter person's recommendations at your
favorite local auto parts store. Of course, if you ask for cheap parts,
that's what you'll get. The stock plug is: Champion RC12LYC, many prefer
Autolite, or AC. Stay away from snake oils such as spitfire
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

J Charlet wrote:
>
> Hello;
>
> I replaced my wires, cap, rotor, and plugs last year on my '99 TJ 6 cyl.
> Now I've got a slight (but getting slowly worse) misfire at all RPM's.
> First thing I'd like to try is replacing the ignitions parts with OEM.
> Anybody have OEM part number info or even just the manufacturers themselves,
> or where I can find them (other than the dealer)?
>
> Thanks,
> Josh

L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III

Go with your parts counter person's recommendations at your
favorite local auto parts store. Of course, if you ask for cheap parts,
that's what you'll get. The stock plug is: Champion RC12LYC, many prefer
Autolite, or AC. Stay away from snake oils such as spitfire
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

J Charlet wrote:
>
> Hello;
>
> I replaced my wires, cap, rotor, and plugs last year on my '99 TJ 6 cyl.
> Now I've got a slight (but getting slowly worse) misfire at all RPM's.
> First thing I'd like to try is replacing the ignitions parts with OEM.
> Anybody have OEM part number info or even just the manufacturers themselves,
> or where I can find them (other than the dealer)?
>
> Thanks,
> Josh

Ted Azito

If you prefer Champion, fine, but use the proper amount (keep it off
the insulator lest preignition smite you) and type of antiseize
compound,without fail. Whatever treatment Champion puts on the metal
body loves those threads-really, really loves 'em. They're
inseparable. I only use plugs with a black metal thread unless there
is no alternative.