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98dak_nont
Dodge Dakota
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11/15/2010
09:52:24
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 Subject: RE: 3.9L engine stalling
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finally took my 98 dakota truck to an independent mechanic(vs dealership), 10 min test drive(vs 10yrs at the dealership) and he figured it was the throttle control scensor($60-80 part), could be changed yourself sits right ontop of the engine. Has been in for about 2 months so far so good.
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Robby
Dodge Dakota
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12/10/2010
12:27:09
|  RE: 3.9L engine stalling
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I have a 2003 Dodge dakota with the 3.9, it starts up fine run it for a little while then try and start it back up but it wont. we took it to get it looked at and they replaced all the gaskets.and it worked fine for mabe 3 hours of run time and its doing it again please if any one knows how to fix this the right way e-mail me at (rgleason@geneseevalleyschool.org)thanks
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daddio
Dodge Dakota
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12/11/2010
09:19:45
| RE: 3.9L engine stalling
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check for codes. then post them here.
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Bernd DD2002
Dodge Dakota
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12/12/2010
08:13:55
| RE: 3.9L engine stalling
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Engine stalls when comeing to a stop.Idels goes low then sputters and stalls.restart its ok. happens when cold and damp.2002 dodge dakota 277000kmon it.any ideas Tanks BERND
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duke726
Dodge Dakota
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4/24/2011
15:07:40
|  RE: 3.9L engine stalling
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I am having the same stalling problem with my 98 Dodge Dakota, and most of the time it will start right back up...other times it take's forever to start (finding no spark at plugs when that happens) But lately I noticed if I can keep it running long enough to reach normal running temperature I have no stalling until engine is cold again.
I have replaced Idle Air Control Sensor, Throttle Position Sensor, and did complete tune-up...cap, rotor, plugs, and wire's. Still stalling. Next I will replace the pick-up coil in distributor because primary coil tested OK. If that does not work I will replace ECM. I really hate doing the process of elimination game which can be costly, but that's what the Dealer wanted to do which is far more expensive. Can anyone give me any ideas?
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duke726
Dodge Dakota
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4/24/2011
15:10:32
| RE: 3.9L engine stalling
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I forgot to mention my stalling issue HAS NOT triggered a CODE/CHECK ENGINE LIGHT.
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mellouk
Dodge Dakota
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5/18/2011
22:59:12
|  RE: 3.9L engine stalling
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i spend near 600$ changing all sensors,do a good scan in high tec garage and they can't find the problem mutiple missfire
today i put the old cap distrubitor that i kape ,and surprise it's runing good but still have check engin ,it was o2 sensors i change them,wow i can't belive it it's a new truck ,just check ur basic tings wires and cap good luck
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gerrypw
Dodge Dakota
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8/25/2011
10:54:27
| RE: 3.9L engine stalling
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Having the same issue for a while now. Driving down the street and engine cuts out on my 1998 Dakota or it hesitates and/or backfires(afterfires) thru the exhaust. Appears to be some phanthom issue that nobody can nail down. I believe it involves the wiring to the PCM. I can jiggle the wires and produce the same symptoms. It's either a dirty connection or some corrosion on the splice. Did the plug wires, distributor cap, rotor and coil. When it does not fire up there is diffinitely fuel. You can smell it.
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prontow
Dodge Dakota
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9/14/2011
23:12:28
| RE: 3.9L engine stalling
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OK, I know this is a common problem with these trucks but the thing is no one has ever found a common cause. Probably because any number of things on the engine can cause the engine to cut off without warning. I have gone through the same route as everyone else on my 93 Dakota 3.9, crank sensor, cam sensor, coil, etc... I got a break when after a no start condition I checked the voltage going to the cam position sensor. It was 0.8 volts, all of the sensor control voltage is feed from the ECU. I poped the cap off of the ECU plug and wiggled the red wire on pin#3. The fuel pump ran and I heard stuff happen. So I am currently cleaning all of the connections going to the ECU. Especially on the plug, this might explain why even when someone changes the computer the problem persists. The #3 pin over time gets a bad connection and the computer and all sensors lose power. This also explains why the only code that comes up is the power reset code. I might even solder a whire directly to the ECU circuit board and bypass all of the connectors.
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george
Dodge Dakota
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9/15/2011
16:40:39
| RE: 3.9L engine stalling
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Same problems from everyone..have a 98 dakota with 3.9 v6..making a long story Very short PCM is BAD!!!replaced and have never had problem again.good luck!!
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prontow
Dodge Dakota
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9/16/2011
21:54:08
| RE: 3.9L engine stalling
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Mine did turn out to be a bad BATT connection on the computer at the plug. I pulled the computer out of the case and soldered wires directly to the back of the computer circuit board. I soldered wires on the Batt, IGN, and ground on the computer, i then spliced these wires into the main wiring harness bypassing all of the plugs. So far so good, did not quit on me today which is a first.
Saved myself a computer. Time will tell if this has really fixed the problem.
Dodge should have used two pins on the computer for the power like they did for the ground, all power for the computer and sensors are feed from the computer. BATT Pin#3 on the plug supplies power for all of these. Bad design, corrodes over time and drops voltage shutting everything down.
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yeah
Dodge Dakota
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9/21/2011
17:28:30
| RE: 3.9L engine stalling
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For the record & some food for thought.
The light does not have to be on for the computer to
have stored codes.
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prontow
Dodge Dakota
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9/28/2011
08:32:24
| RE: 3.9L engine stalling
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Update on my previous post. Thought I had fixed my problem by bypassing the plug on the computer, drove it all day without issue. Until later that night, went to crank and no start. I hate to admit defeat but had to replace the ECM. There must be a bad solder joint on the board of the computer because after the truck died, all I had to do was barely move the plug and I heard the fuel pump cycle. Was able to crank and get it back up into the driveway.
I got a rebuilt computer with a lifetime warranty for $160.00 and put it on along with a new oxygen sensor(only because the original was still on it) yesterday. So far so good, looks like the rebuilt computer has had the three capacitors changed out. These are the ones that are visible above the sealant they use to seal the computer circuit board. Probably a common problem with the computer.
Only positive thing to come out of all the work I did finding the problem is I found the distributor intermediate shaft bushing worn out and replaced it along with a new intermediate shaft. Truck is probably good for another 150K miles!
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jhony
Dodge Dakota
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11/07/2011
22:18:34
| RE: 3.9L engine stalling
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i have a simmilar problem when i was driving my 98 dakota ,cut out but i turned over and kept running but still the problem any idea?
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jack6128
Dodge Dakota
JOIN HERE
11/11/2011
12:19:06
| RE: 3.9L engine stalling
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@jhony
Check out the Distributor Ignition Pickup. I'm not sure about the 98, but this component caused exactly the same symptoms on my 87, which uses a Hall Effect pickup.
See this thread for a run down on the problem I was having:
http://www.dodgedakota.net/boards/gen/28127.html
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Laura
Dodge Dakota
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12/22/2011
20:42:52
| RE: 3.9L engine stalling
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Message:
My 98 Dodge Dakota 3.9
keeps stalling on me. I got
it home tonight & started
wiggling the wires going
to the pcm. The first
harness closest to the cab
made the truck die. Is
there a usable link in that
wire bundle ? Please help
me with this problem,
This is my only
transportation to
work.Thank you.
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Laura
Dodge Dakota
JOIN HERE
12/22/2011
20:47:32
| RE: 3.9L engine stalling
IP: Logged
Message:
My 98 Dodge Dakota 3.9
keeps stalling on me. I got
it home tonight & started
wiggling the wires going
to the pcm. The first
harness closest to the cab
made the truck die. Is
there a usable link in that
wire bundle ? Please help
me with this problem,
This is my only
transportation to
work.Thank you.
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Bob Lincoln
Dodge Dakota
JOIN HERE
12/23/2011
08:18:48
| RE: 3.9L engine stalling
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Message:
No fusible link. Not sure if 1998 was affected, but in the early 90s, there was a factory splice by the relay box that caused such problems. You might try disconnecting the battery, unplug the PCM and examine all the contacts to see if any are corroded or dirty. There should be dielectric grease in there, but no green corrosion.
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Laura
Dodge Dakota
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12/23/2011
08:45:03
| RE: 3.9L engine stalling
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Message:
Thank U Bob for the info. I will check the pcm bundle
today after work. Can I open the pcm up without
causing damage ? Or just check the connections going
to it ? I pulled the one connector off & sprayed contact
cleaner in both areas. And it still died when I wiggled
the wires.
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Laura
Dodge Dakota
JOIN HERE
12/25/2011
14:28:19
| RE: 3.9L engine stalling
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Message:
To all of the Dodge Dakota owners that
have been having stalling problems, I
took my pcm out, sprayed it with contact
cleaner, loosened the two torques head
bolt under the harness connection on
the pcm a quarter of a turn. I bought
Dielectric grease. Put it on the pins in the
pcm. Sprayed the harnesses with contact
cleaner.reinstated the pcm &
harnesses.test drove my truck. And NO
more stalling problems.I drove it all day
& It has not stalled once. I had heard
from different people that the two bolts
on the pcm & the lack of grease in the
harness connections could be at fault.
THANK U BOB.
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