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Car Forum / Dodge / Dodge Trucks / August 2005

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my engine icon is lit on my 2001 ram 1500

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jeffrey m - 05 Jul 2005 22:33 GMT
i own a 2001 dodge ram 1500 with a 360 cu. in. motor and the off road package
thanks to this web site i was able to generate the engine diagnostic code
p1281 but i dont know what it means please help anaybody
Coasty - 05 Jul 2005 22:48 GMT
Injector control pressure out of range (LOW)

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>i own a 2001 dodge ram 1500 with a 360 cu. in. motor and the off road
>package
> thanks to this web site i was able to generate the engine diagnostic code
> p1281 but i dont know what it means please help anaybody
Tom Lawrence - 05 Jul 2005 23:06 GMT
> Injector control pressure out of range (LOW)

Huh???
Coasty - 06 Jul 2005 21:17 GMT
One too many pages over that was a Ford code correct on the Engine is cold
too long.

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>> Injector control pressure out of range (LOW)
>
> Huh???
Tom Lawrence - 06 Jul 2005 22:46 GMT
> One too many pages over that was a Ford code correct on the Engine is cold
> too long.

Heh...  the wonders of manufacturer-specific diagnostic codes...  they do
this on purpose just to make life difficult for the rest of us, you
realize...  :)
Coasty - 06 Jul 2005 23:44 GMT
yep, one would think all codes would be generic but, that would make sense.
Like one oil filter, one spark plug type, one motor oil type, one coolant
type, one transmission fluid type, to fit all make and models of a
particular auto manufacture.  Then I woke up from a cold sweat.

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>> One too many pages over that was a Ford code correct on the Engine is
>> cold too long.
>
> Heh...  the wonders of manufacturer-specific diagnostic codes...  they do
> this on purpose just to make life difficult for the rest of us, you
> realize...  :)
Tom Lawrence - 07 Jul 2005 00:15 GMT
> yep, one would think all codes would be generic but, that would make
> sense. Like one oil filter, one spark plug type, one motor oil type, one
> coolant type, one transmission fluid type, to fit all make and models of a
> particular auto manufacture.  Then I woke up from a cold sweat.

Let's not leave out the one unit of measure...  metric OR SAE, not both.
Stop with the Torx heads, the 12-point heads, the octagonals, and any other
off-the-wall, one-off fastener.

Yeah...  dare to dream...
Coasty - 07 Jul 2005 00:57 GMT
I have your answer to the bolt problem go over to
alt.binaries.pictures.autos.4x4 and see.

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>> yep, one would think all codes would be generic but, that would make
>> sense. Like one oil filter, one spark plug type, one motor oil type, one
[quoted text clipped - 6 lines]
>
> Yeah...  dare to dream...
Tom Lawrence - 05 Jul 2005 23:11 GMT
>i own a 2001 dodge ram 1500 with a 360 cu. in. motor and the off road
>package
> thanks to this web site i was able to generate the engine diagnostic code
> p1281 but i dont know what it means please help anaybody

P1281 indicates the ECT (engine coolant temperature) sensor didn't register
a warm-enough reading.  There are two causes here - either a bad ECT sensor,
or a stuck-open thermostat.  Both are pretty simple to change, but you'll
need to do a little diagnostic work to determine which one's really bad.
Measuring the voltage from the ECT with a DVM, and comparing to a chart of
known voltage-to-temperature mappings, or using an OBD-II scan tool that can
read the ECT output directly, will help you determine if the sensor is bad.
jeffrey m - 06 Jul 2005 01:35 GMT
thank you tom for your extremely useful information i would however like to
know if the engine icon will go out once the problem is corrected

>>i own a 2001 dodge ram 1500 with a 360 cu. in. motor and the off road
>>package
[quoted text clipped - 8 lines]
>known voltage-to-temperature mappings, or using an OBD-II scan tool that can
>read the ECT output directly, will help you determine if the sensor is bad.
TBone - 06 Jul 2005 03:08 GMT
Yes it will, eventually.
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If at first you don't succeed,  you're not cut out for skydiving

> thank you tom for your extremely useful information i would however like to
> know if the engine icon will go out once the problem is corrected
[quoted text clipped - 11 lines]
> >known voltage-to-temperature mappings, or using an OBD-II scan tool that can
> >read the ECT output directly, will help you determine if the sensor is bad.
Tom Lawrence - 06 Jul 2005 03:14 GMT
> thank you tom for your extremely useful information i would however like
> to
> know if the engine icon will go out once the problem is corrected

It will go out on it's own after more than several (50, I believe) ignition
cycles.  You cna clear the code immediately with an OBD-II scan tool, or by
disconnecting the battery for 15 minutes or so.

Now - I ask this question with all sincerity...  do you have the ability to
diagnose this problem yourself, and then do you have the ability to either
change this sensor or change the thermostat?  If the answer to any of those
is 'no', then you're better off in the long run by having a shop take care
of it.  It will save you money in the end.

Either way, good luck with it
paul b - 01 Aug 2005 16:55 GMT
I have a 2001 ram 5.9 litter with same error code. my scan tool tells me Man.
Controlled Fuel & Air metering. Why do we both have different discriptions of
error code? What does  Man. Controlled Fuel & Air Metering mean?

>i own a 2001 dodge ram 1500 with a 360 cu. in. motor and the off road package
>thanks to this web site i was able to generate the engine diagnostic code
>p1281 but i dont know what it means please help anaybody
 
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