Help with a 92 Dodge V6

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MIKE DEMING - 06 Mar 2006 03:40 GMT

Hi everyone,
My name is Michael,and Im in need some help on my truck that,I
bought.
Its 1992 Dodge Ram with the 3.9 V6,and has a automatic
transmission.What its doing it my check engine light is on.Earlyer,got
the trouble codes,the trick by useing the key switch.
The codes that came up are...12,45,22,52,55.Have done some
searching,and found the following.
12...is telling the battery has been disscontected.
22...coolant sensor is out of range.That makes sense as the
temp guage isnt reading.
52...is the O2 sensor is stuck in the rich mode.Do know
whrere it is,in the exshaust
55... is end of codes.
The one isnt making sense is code 45.Something about a
Logic Module.Is that the main computer.
If anyone,can help me,you can e-mail directly,or post
here.

Thank you for yall's time

Michael

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Rachel Easson - 06 Mar 2006 18:31 GMT

> Hi everyone,
> My name is Michael,and Im in need some help on my truck that,I
[quoted text clipped - 18 lines]
>
> Michael

dear Michael,

I always reply online as I am frequently wrong

It won't hurt to try replacing the temp guage (and thermostat if it
won't open when placed in boiling hot water) while you wait for more
replies to come in

my Haynes book (sorry that's all I have) says 45 is o/d solenoid --
problem in the o/d solenoid circuit

as for the o2 readings, you will get a code 51 or 52 (lean or rich
mixture) and code 21 is set if there is a problem with the sensor (you
did not get that code so you are probably fine)

but as for where the sensor is (in case you decide to check the voltage
anyway), try looking on or near the exhaust manifold -- one of mine is
about 1" hexagonal screwed in base that sits into the exhaust just below
manifold, and has a pig-tail of course where the wires connect
and send the o2/exhaust mix -> voltage info to the computer

so your problem might simply be your temp guage (hopefully)

best of luck
rachel

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BigIronRam - 07 Mar 2006 02:27 GMT

> Hi everyone,
> My name is Michael,and Im in need some help on my truck that,I
[quoted text clipped - 18 lines]
>
> Michael

Here's a place to get the DTC's to give a general idea of what's going on.

http://www.dodgeram.info/Engine-Gas/OBDI/pcm_fault_code.htm

Code 45 is the transmission overdrive solenoid, nothing to worry about
since you have a V6 and overdrive wasn't offered with the V6 as I recall.
Good luck,

Robert

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Rachel Easson - 07 Mar 2006 13:54 GMT

> Hi Rachel,
> Thanks for the help.Need all the help I can get....lol.Been
[quoted text clipped - 13 lines]
> P.S.If you like,write back....always enjoy talking and making new
> friend.

I just checked my email and bigironram's response -- he says you don't
have to worry because the v6 didn't come with o/d which I didn't know
because the newest v6 I have is 88 which is standard trans
I am going to cc the newsgroup, because I don't know much about o/d. I
like dodge better myself too, but still kept my '77 gmc 350.
rach

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