Gas Cap vs Chk Eng Lite
 

RE 2002 Jeep Cherokee, 6 Cyl.

I had a problem passing the State of NJ emissions test. The guy said it was
the gas cap. But, it passed and I happily left. Now, I have a Chk Engine
Light. The car runs beautifully. Could this be the gas cap acting up? Is
there a way to confirm the Check Eng light without a second mortgage on the
house?

Thanks for your help. Gary

Re: Gas Cap vs Chk Eng Lite
 

If the smog tester ran the engine while the gas cap was not installed, this
can cause the Check light. The Evaporative Emissions Control includes a
check that the gas tank is sealed. If the seal is broken, the Check Light
can come on.

The vehicle uses OBD II (On Board Diagnostics, Level II). This is a standard
that all venicles built from 1996 and on will use. You can often times check
the tool out from the auto parts store and pull the codes yourself. It takes
less than 5 minutes, and you can easily do it in the parking lot of the
store. The tool will also reset all codes.

If you need that second mortgage, give me a shout - I'm a mortgage lender.




"Othello" <deltaorion39@hotmail.com> wrote in message
news:jwjZd.117520$pc5.57599@tornado.tampabay.rr.co m...
> RE 2002 Jeep Cherokee, 6 Cyl.
>
> I had a problem passing the State of NJ emissions test. The guy said it
was
> the gas cap. But, it passed and I happily left. Now, I have a Chk Engine
> Light. The car runs beautifully. Could this be the gas cap acting up?
Is
> there a way to confirm the Check Eng light without a second mortgage on
the
> house?
>
> Thanks for your help. Gary
>
>
>

Re: Gas Cap vs Chk Eng Lite
 

If the smog tester ran the engine while the gas cap was not installed, this
can cause the Check light. The Evaporative Emissions Control includes a
check that the gas tank is sealed. If the seal is broken, the Check Light
can come on.

The vehicle uses OBD II (On Board Diagnostics, Level II). This is a standard
that all venicles built from 1996 and on will use. You can often times check
the tool out from the auto parts store and pull the codes yourself. It takes
less than 5 minutes, and you can easily do it in the parking lot of the
store. The tool will also reset all codes.

If you need that second mortgage, give me a shout - I'm a mortgage lender.




"Othello" <deltaorion39@hotmail.com> wrote in message
news:jwjZd.117520$pc5.57599@tornado.tampabay.rr.co m...
> RE 2002 Jeep Cherokee, 6 Cyl.
>
> I had a problem passing the State of NJ emissions test. The guy said it
was
> the gas cap. But, it passed and I happily left. Now, I have a Chk Engine
> Light. The car runs beautifully. Could this be the gas cap acting up?
Is
> there a way to confirm the Check Eng light without a second mortgage on
the
> house?
>
> Thanks for your help. Gary
>
>
>

Re: Gas Cap vs Chk Eng Lite
 

If the smog tester ran the engine while the gas cap was not installed, this
can cause the Check light. The Evaporative Emissions Control includes a
check that the gas tank is sealed. If the seal is broken, the Check Light
can come on.

The vehicle uses OBD II (On Board Diagnostics, Level II). This is a standard
that all venicles built from 1996 and on will use. You can often times check
the tool out from the auto parts store and pull the codes yourself. It takes
less than 5 minutes, and you can easily do it in the parking lot of the
store. The tool will also reset all codes.

If you need that second mortgage, give me a shout - I'm a mortgage lender.




"Othello" <deltaorion39@hotmail.com> wrote in message
news:jwjZd.117520$pc5.57599@tornado.tampabay.rr.co m...
> RE 2002 Jeep Cherokee, 6 Cyl.
>
> I had a problem passing the State of NJ emissions test. The guy said it
was
> the gas cap. But, it passed and I happily left. Now, I have a Chk Engine
> Light. The car runs beautifully. Could this be the gas cap acting up?
Is
> there a way to confirm the Check Eng light without a second mortgage on
the
> house?
>
> Thanks for your help. Gary
>
>
>

Re: Gas Cap vs Chk Eng Lite
 

http://www.wjjeeps.com/faultcodes.htm
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Othello wrote:
>
> RE 2002 Jeep Cherokee, 6 Cyl.
>
> I had a problem passing the State of NJ emissions test. The guy said it was
> the gas cap. But, it passed and I happily left. Now, I have a Chk Engine
> Light. The car runs beautifully. Could this be the gas cap acting up? Is
> there a way to confirm the Check Eng light without a second mortgage on the
> house?
>
> Thanks for your help. Gary

Re: Gas Cap vs Chk Eng Lite
 

http://www.wjjeeps.com/faultcodes.htm
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Othello wrote:
>
> RE 2002 Jeep Cherokee, 6 Cyl.
>
> I had a problem passing the State of NJ emissions test. The guy said it was
> the gas cap. But, it passed and I happily left. Now, I have a Chk Engine
> Light. The car runs beautifully. Could this be the gas cap acting up? Is
> there a way to confirm the Check Eng light without a second mortgage on the
> house?
>
> Thanks for your help. Gary

Re: Gas Cap vs Chk Eng Lite
 

http://www.wjjeeps.com/faultcodes.htm
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Othello wrote:
>
> RE 2002 Jeep Cherokee, 6 Cyl.
>
> I had a problem passing the State of NJ emissions test. The guy said it was
> the gas cap. But, it passed and I happily left. Now, I have a Chk Engine
> Light. The car runs beautifully. Could this be the gas cap acting up? Is
> there a way to confirm the Check Eng light without a second mortgage on the
> house?
>
> Thanks for your help. Gary

Re: Gas Cap vs Chk Eng Lite
 

Bill's link gives all of the codes that are possible, but not all cars can
generate all of the codes.

If there is a code, and all cars generate it, it will mean the same thing
all of the time. But if there is a code that a car can't make, then it
simply can't make it.

I noticed an error in the list.
P0439
Catalyst Heater Control Circuit (Bank 2)

P0439
Evaporative Emission Control System


Notice that these two symptoms both use the same code, I think this is an
error. The Evaporative EmissionControl System fault is P0440. This code
means the evaporative system isn't sealed, which happens when the gas cap is
left off, and other faults can be triggered as well. These subsequent faults
can either dial the fault in to a particular part, or can simply be a
reaction to the open system. My strategy would be to make a list of the
codes, then reset them and wait to see if the light comes back on again once
the gas cap has been put on correctly, or replaced if defective.

One can also search the web for "OBD II CODES" and come up with a variety of
hits that give the varous codes and some even list up the diagnostic
scanners that can pull the codes. The diagnostic tools are available in a
range of prices, the more expensive units have additional features.






"L.W. (ßill) ------ III" <----------@cox.net> wrote in message
news:4235E517.54D2E9C5@cox.net...
> http://www.wjjeeps.com/faultcodes.htm
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Othello wrote:
> >
> > RE 2002 Jeep Cherokee, 6 Cyl.
> >
> > I had a problem passing the State of NJ emissions test. The guy said it
was
> > the gas cap. But, it passed and I happily left. Now, I have a Chk
Engine
> > Light. The car runs beautifully. Could this be the gas cap acting up?
Is
> > there a way to confirm the Check Eng light without a second mortgage on
the
> > house?
> >
> > Thanks for your help. Gary

Re: Gas Cap vs Chk Eng Lite
 

Bill's link gives all of the codes that are possible, but not all cars can
generate all of the codes.

If there is a code, and all cars generate it, it will mean the same thing
all of the time. But if there is a code that a car can't make, then it
simply can't make it.

I noticed an error in the list.
P0439
Catalyst Heater Control Circuit (Bank 2)

P0439
Evaporative Emission Control System


Notice that these two symptoms both use the same code, I think this is an
error. The Evaporative EmissionControl System fault is P0440. This code
means the evaporative system isn't sealed, which happens when the gas cap is
left off, and other faults can be triggered as well. These subsequent faults
can either dial the fault in to a particular part, or can simply be a
reaction to the open system. My strategy would be to make a list of the
codes, then reset them and wait to see if the light comes back on again once
the gas cap has been put on correctly, or replaced if defective.

One can also search the web for "OBD II CODES" and come up with a variety of
hits that give the varous codes and some even list up the diagnostic
scanners that can pull the codes. The diagnostic tools are available in a
range of prices, the more expensive units have additional features.






"L.W. (ßill) ------ III" <----------@cox.net> wrote in message
news:4235E517.54D2E9C5@cox.net...
> http://www.wjjeeps.com/faultcodes.htm
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Othello wrote:
> >
> > RE 2002 Jeep Cherokee, 6 Cyl.
> >
> > I had a problem passing the State of NJ emissions test. The guy said it
was
> > the gas cap. But, it passed and I happily left. Now, I have a Chk
Engine
> > Light. The car runs beautifully. Could this be the gas cap acting up?
Is
> > there a way to confirm the Check Eng light without a second mortgage on
the
> > house?
> >
> > Thanks for your help. Gary

Re: Gas Cap vs Chk Eng Lite
 

Bill's link gives all of the codes that are possible, but not all cars can
generate all of the codes.

If there is a code, and all cars generate it, it will mean the same thing
all of the time. But if there is a code that a car can't make, then it
simply can't make it.

I noticed an error in the list.
P0439
Catalyst Heater Control Circuit (Bank 2)

P0439
Evaporative Emission Control System


Notice that these two symptoms both use the same code, I think this is an
error. The Evaporative EmissionControl System fault is P0440. This code
means the evaporative system isn't sealed, which happens when the gas cap is
left off, and other faults can be triggered as well. These subsequent faults
can either dial the fault in to a particular part, or can simply be a
reaction to the open system. My strategy would be to make a list of the
codes, then reset them and wait to see if the light comes back on again once
the gas cap has been put on correctly, or replaced if defective.

One can also search the web for "OBD II CODES" and come up with a variety of
hits that give the varous codes and some even list up the diagnostic
scanners that can pull the codes. The diagnostic tools are available in a
range of prices, the more expensive units have additional features.






"L.W. (ßill) ------ III" <----------@cox.net> wrote in message
news:4235E517.54D2E9C5@cox.net...
> http://www.wjjeeps.com/faultcodes.htm
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Othello wrote:
> >
> > RE 2002 Jeep Cherokee, 6 Cyl.
> >
> > I had a problem passing the State of NJ emissions test. The guy said it
was
> > the gas cap. But, it passed and I happily left. Now, I have a Chk
Engine
> > Light. The car runs beautifully. Could this be the gas cap acting up?
Is
> > there a way to confirm the Check Eng light without a second mortgage on
the
> > house?
> >
> > Thanks for your help. Gary