2000 Neon Check Engine Light--codes

"T. McRae" > wrote in message
om...
> I don't know how you guys know all of this stuff but you guys are
> amazing. My wife was freaking out laughing when she saw the numbers.
> Anyway the codes she read to me were P1684 and P071. Thanks again.

According to the 2000 Neon service manual (codes also listed online, search
google)

P1684- "The battery has been disconnected within the last 50 starts." No
real significance. Dealer could have disconnected the battery when there
were in there, sometimes it goes on by itself. Don't worry about it.

P071 - My manual doesn't show this code as existing. Did you get it right?
Here's some possible similar codes that will light up the check engine
light:

P0117: ECT Sensor voltage to low (engine coolant tempereature sensor input
below minimum accepted value.
P0171: Lean air / fuel mxture has been indicated by an abnormally rich
correction factor.


P0711 lists as "Trans Temp sensor voltage too low". but shouldn't illuminate
the MIL lamp. I don't know if this even applies given the 3 speed in the
Neon.

I remember thinking it was neat decrypting a blinking light to tell me what
ailed my '89 Reliant, and '96 Neon, but I was blown away when it listed the
codes on the odo in the '00. I was expecting it to blink the light, not just
tell me the code. The first time I was successful I wasn't able to write
down the codes, I was laughing too hard.

really stupid question here - does there have to be trouble codes in the
computer before anything will display? I know the 1st. generation Neons
would flash the MIL light with a sequence that stated there were none.

Today, when I tested my daughter's 00 Neon, she stated that she saw the word
"DONE" on the odometer where my brain cell was not fast enough to catch it.

I can't get my Dakota to state anything. In fact, I can't even get it to do
a diagnostic test like the Neon (hold the odometer reset button and turn the
key to ON then release the odometer button). The dash board will go through
a sequence of tests then settle down to normal if all is OK.

"Bill 2" > wrote in message
...
>
> "T. McRae" > wrote in message
> om...
> > I don't know how you guys know all of this stuff but you guys are
> > amazing. My wife was freaking out laughing when she saw the numbers.
> > Anyway the codes she read to me were P1684 and P071. Thanks again.
>
> According to the 2000 Neon service manual (codes also listed online,
search
> google)
>
> P1684- "The battery has been disconnected within the last 50 starts." No
> real significance. Dealer could have disconnected the battery when there
> were in there, sometimes it goes on by itself. Don't worry about it.
>
> P071 - My manual doesn't show this code as existing. Did you get it right?
> Here's some possible similar codes that will light up the check engine
> light:
>
> P0117: ECT Sensor voltage to low (engine coolant tempereature sensor input
> below minimum accepted value.
> P0171: Lean air / fuel mxture has been indicated by an abnormally rich
> correction factor.
>
>
> P0711 lists as "Trans Temp sensor voltage too low". but shouldn't
illuminate
> the MIL lamp. I don't know if this even applies given the 3 speed in the
> Neon.
>
> I remember thinking it was neat decrypting a blinking light to tell me
what
> ailed my '89 Reliant, and '96 Neon, but I was blown away when it listed
the
> codes on the odo in the '00. I was expecting it to blink the light, not
just
> tell me the code. The first time I was successful I wasn't able to write
> down the codes, I was laughing too hard.
>
>

really stupid question here - does there have to be trouble codes in the
computer before anything will display? I know the 1st. generation Neons
would flash the MIL light with a sequence that stated there were none.

Today, when I tested my daughter's 00 Neon, she stated that she saw the word
"DONE" on the odometer where my brain cell was not fast enough to catch it.

I can't get my Dakota to state anything. In fact, I can't even get it to do
a diagnostic test like the Neon (hold the odometer reset button and turn the
key to ON then release the odometer button). The dash board will go through
a sequence of tests then settle down to normal if all is OK.

"Bill 2" > wrote in message
...
>
> "T. McRae" > wrote in message
> om...
> > I don't know how you guys know all of this stuff but you guys are
> > amazing. My wife was freaking out laughing when she saw the numbers.
> > Anyway the codes she read to me were P1684 and P071. Thanks again.
>
> According to the 2000 Neon service manual (codes also listed online,
search
> google)
>
> P1684- "The battery has been disconnected within the last 50 starts." No
> real significance. Dealer could have disconnected the battery when there
> were in there, sometimes it goes on by itself. Don't worry about it.
>
> P071 - My manual doesn't show this code as existing. Did you get it right?
> Here's some possible similar codes that will light up the check engine
> light:
>
> P0117: ECT Sensor voltage to low (engine coolant tempereature sensor input
> below minimum accepted value.
> P0171: Lean air / fuel mxture has been indicated by an abnormally rich
> correction factor.
>
>
> P0711 lists as "Trans Temp sensor voltage too low". but shouldn't
illuminate
> the MIL lamp. I don't know if this even applies given the 3 speed in the
> Neon.
>
> I remember thinking it was neat decrypting a blinking light to tell me
what
> ailed my '89 Reliant, and '96 Neon, but I was blown away when it listed
the
> codes on the odo in the '00. I was expecting it to blink the light, not
just
> tell me the code. The first time I was successful I wasn't able to write
> down the codes, I was laughing too hard.
>
>

"WHL" > wrote in message
news:xumfc.39138$xn4.103137@attbi_s51...
> really stupid question here - does there have to be trouble codes in the
> computer before anything will display? I know the 1st. generation Neons
> would flash the MIL light with a sequence that stated there were none.
>
> Today, when I tested my daughter's 00 Neon, she stated that she saw the
word
> "DONE" on the odometer where my brain cell was not fast enough to catch
it.

You caught it then. If it had any codes it will display them before
displaying "donE."

> I can't get my Dakota to state anything. In fact, I can't even get it to
do
> a diagnostic test like the Neon (hold the odometer reset button and turn
the
> key to ON then release the odometer button). The dash board will go
through
> a sequence of tests then settle down to normal if all is OK.

Don't know about the Dakota.

"WHL" > wrote in message
news:xumfc.39138$xn4.103137@attbi_s51...
> really stupid question here - does there have to be trouble codes in the
> computer before anything will display? I know the 1st. generation Neons
> would flash the MIL light with a sequence that stated there were none.
>
> Today, when I tested my daughter's 00 Neon, she stated that she saw the
word
> "DONE" on the odometer where my brain cell was not fast enough to catch
it.

You caught it then. If it had any codes it will display them before
displaying "donE."

> I can't get my Dakota to state anything. In fact, I can't even get it to
do
> a diagnostic test like the Neon (hold the odometer reset button and turn
the
> key to ON then release the odometer button). The dash board will go
through
> a sequence of tests then settle down to normal if all is OK.

Don't know about the Dakota.

thank you. I still think I'm going to buy this reader since I have 3 Dodge
vehicles:
http://www.harborfreight.com/cpi/cta...emnumber=46030

"Bill 2" > wrote in message
...
>
> "WHL" > wrote in message
> news:xumfc.39138$xn4.103137@attbi_s51...
> > really stupid question here - does there have to be trouble codes in the
> > computer before anything will display? I know the 1st. generation Neons
> > would flash the MIL light with a sequence that stated there were none.
> >
> > Today, when I tested my daughter's 00 Neon, she stated that she saw the
> word
> > "DONE" on the odometer where my brain cell was not fast enough to catch
> it.
>
> You caught it then. If it had any codes it will display them before
> displaying "donE."
>
> > I can't get my Dakota to state anything. In fact, I can't even get it
to
> do
> > a diagnostic test like the Neon (hold the odometer reset button and turn
> the
> > key to ON then release the odometer button). The dash board will go
> through
> > a sequence of tests then settle down to normal if all is OK.
>
> Don't know about the Dakota.
>
>
>

thank you. I still think I'm going to buy this reader since I have 3 Dodge
vehicles:
http://www.harborfreight.com/cpi/cta...emnumber=46030

"Bill 2" > wrote in message
...
>
> "WHL" > wrote in message
> news:xumfc.39138$xn4.103137@attbi_s51...
> > really stupid question here - does there have to be trouble codes in the
> > computer before anything will display? I know the 1st. generation Neons
> > would flash the MIL light with a sequence that stated there were none.
> >
> > Today, when I tested my daughter's 00 Neon, she stated that she saw the
> word
> > "DONE" on the odometer where my brain cell was not fast enough to catch
> it.
>
> You caught it then. If it had any codes it will display them before
> displaying "donE."
>
> > I can't get my Dakota to state anything. In fact, I can't even get it
to
> do
> > a diagnostic test like the Neon (hold the odometer reset button and turn
> the
> > key to ON then release the odometer button). The dash board will go
> through
> > a sequence of tests then settle down to normal if all is OK.
>
> Don't know about the Dakota.
>
>
>