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DEREK J.
Dodge Dakota
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5/22/2002
16:41:23
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 Subject: i had to touch it
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Message:
ok i did a dumb thing and started up my 2002 4.7 auto dakota with the AIT sensor unpluged, i plugged it in about 5 seconds later but it was to late now my check engine light is on. how do i get it to turn off without taking it to the dealer? i will admit it i did a dumb thing. i will be greatful if someone cna please help me.
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Duner
Dodge Dakota
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5/22/2002
16:44:59
|  RE: i had to touch it
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You can either disconnect the battery for a few seconds or unplug the 3 connectors on the PCM and then plug them back in. Either way will reset the PCM.
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Clevite 77
Dodge Dakota
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5/22/2002
16:48:09
| RE: i had to touch it
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to add to Dunner's post while the batt's unplugged, turn and hold the key as if you were trying to start it (for 30 seconds)
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Duner
Dodge Dakota
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5/22/2002
16:53:20
|  RE: i had to touch it
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I've read that about the key part before, but I've never done it. I always just unplug the PCM. Another tip is that if you are wanting to crank the engine over without it starting..... just unplug the black connector on the PCM. I think I've about worn out my connectors from all the plugging and unplugging - especially when you figure how often I swap the PCMs around.
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DEREK J.
Dodge Dakota
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5/22/2002
17:03:40
| RE: i had to touch it
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thanks guys it worked. i also did the key thing but i don't know what it did. it didn't seem to anything bad. what did it do?
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Magnum Opus
Dodge Dakota
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5/23/2002
01:17:58
| RE: i had to touch it
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Probably drains any memory with a capacitor or short term battery power. I don't really know just guessing.
Middy.
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PSU
Dodge Dakota
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5/23/2002
02:32:33
| RE: i had to touch it
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yep, middy is right. even when the battery is disconnected there is still power existent in the system, but by "starting" the truck, the stored energy is drained.
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Jayson
Dodge Dakota
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5/28/2002
13:02:36
| RE: i had to touch it
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Message:
speed tweeks sez to disconnect the neg. bat post and hold to start position for about 30 sec. to reset the pcm and they say it takes 500 or so miles to relearn your driving style.
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