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Re: dead dakota [Re: rhad] #2705769
10/11/19 03:42 AM
10/11/19 03:42 AM
Joined: Dec 2009
Posts: 20,600
in a cattle trailer down by th...
G
Guitar Jones Online laugh2
Paddle faster! I hear banjo music!
Guitar Jones  Online laugh2
Paddle faster! I hear banjo music!
G

Joined: Dec 2009
Posts: 20,600
in a cattle trailer down by th...
Maybe i missed it but have you replaced the distributor pickup plate? We used to replace a few of them back in the day for problems like you described.


"Follow me the wise man said, but he walked behind"


'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost coming soon!
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
Re: dead dakota [Re: Guitar Jones] #2706064
10/11/19 10:48 PM
10/11/19 10:48 PM
Joined: Aug 2003
Posts: 954
garnett kansas
rhad Offline OP
super stock
rhad  Offline OP
super stock

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Posts: 954
garnett kansas
yes guitar,ive replaced EVERYTHING except the temp sender,even the ign switch twice,i still lean towards the crank sensor as it will run ok for a day or so after a new one is installed,tgho the ones i remove show ok when tested on a NON metal table!!!LOL

Last edited by rhad; 10/11/19 10:48 PM.

my ladder of success is missing some rungs
Re: dead dakota [Re: rhad] #2706216
10/12/19 02:44 PM
10/12/19 02:44 PM
Joined: Jan 2006
Posts: 8,162
USA
3
360view Offline
Moparts resident spammer
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USA
Was the lower most filter submerged in the tank replaced?

Re: dead dakota [Re: 360view] #2706290
10/12/19 11:02 PM
10/12/19 11:02 PM
Joined: Aug 2003
Posts: 954
garnett kansas
rhad Offline OP
super stock
rhad  Offline OP
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garnett kansas
its not a fuel problem,when it dies you cant get anything from the computer,as in nothing!!,let it set for a few minutes and it will start and run for a unknown amount of time,so somewhere in the great gobs of wires there is a problem!!!


my ladder of success is missing some rungs
Re: dead dakota [Re: rhad] #2706358
10/13/19 10:25 AM
10/13/19 10:25 AM
Joined: Jan 2006
Posts: 8,162
USA
3
360view Offline
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USA
An Actron Scantool CP 9110 is in my opinion a reliable way to read an older OBD-I

I would not trust an OBD-II scanner that is attempting to read your older pcm.

https://www.ebay.com/itm/Actron-CP-...34458746a937f4c9f7d74c57a10f83a542f6e73d

You need a Chrysler cartridge.

Re: dead dakota [Re: 360view] #2713222
11/06/19 12:15 AM
11/06/19 12:15 AM
Joined: Aug 2003
Posts: 954
garnett kansas
rhad Offline OP
super stock
rhad  Offline OP
super stock

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garnett kansas
problem still there!!,so im wondering?,would/could a bad 02 sensor cause the computer to shut the engine down?,also what about the temp sensor?sometimes it wont die at all,other times it dies xand wont restart for a while(time varies)
as im far from a young man id like to be able to drive this again before they throw dirt in my face!!!


my ladder of success is missing some rungs
Re: dead dakota [Re: rhad] #2713254
11/06/19 09:49 AM
11/06/19 09:49 AM
Joined: Nov 2003
Posts: 10,228
Colleyville
3hundred Offline
I Live Here
3hundred  Offline
I Live Here

Joined: Nov 2003
Posts: 10,228
Colleyville
Originally Posted by rhad
problem still there!!,so im wondering?,would/could a bad 02 sensor cause the computer to shut the engine down?,also what about the temp sensor?sometimes it wont die at all,other times it dies xand wont restart for a while(time varies)
as im far from a young man id like to be able to drive this again before they throw dirt in my face!!!


We replaced both those parts on the wife's Ramcharger before we gave up on it. Hers would run badly and stall, NOT be running fine and die.

Robert


'68 Fury Convertible
'69 300 Convertible
'15 Durango 5.7 Hemi
'16 300 S Hemi
Re: dead dakota [Re: rhad] #2713581
11/07/19 08:20 AM
11/07/19 08:20 AM
Joined: Jan 2006
Posts: 8,162
USA
3
360view Offline
Moparts resident spammer
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USA
If it is a dirty bottom most fuel filter submerged in the tank causing sudden cavitation,
then on a very cold winter day the truck will run for a longer time before suddenly dying
because the gasoline started cold and gradually warms up as fuel recirculation happens.

If it is an electrical fault
like a cracked wire killing power to the PCM due to vibration,
road jolts,
or warming up copper conductors,
then hot versus cold weather will have little effect on time run before dying.

If a fuel pressure gauge is plumbed in the pressure will show within normal range, then very suddenly drop to near zero psi.

If I were troubleshooting the truck’s problem I would be convinced by now that I needed an electrical multimeter that could record maximum and minimum voltages and currents, plus a fuel pressure sensor that this recording multimeter could be hooked to.

If you are REALLY intent on fixing this Dakota,
perhaps you should buy/borrow a same year Dakota and just begin swapping parts?

Tackling the recording multimeter methods with a fuel pressure sensor would eventually find the problem
but you have to be willing to learn how to use that equipment.
Once you learn those electrical tricks you can use them to fix vast numbers of things.

Re: dead dakota [Re: 360view] #2714464
11/10/19 10:23 AM
11/10/19 10:23 AM
Joined: Jan 2003
Posts: 16,802
Between Houston & Galveston TX
SattyNoCar Offline
Smarter than no class Flappergass by a mile
SattyNoCar  Offline
Smarter than no class Flappergass by a mile

Joined: Jan 2003
Posts: 16,802
Between Houston & Galveston TX

Distant cousin? It seems you're not alone.........

1996 Dakota on Craigslist

[Linked Image]

"If you have never fixed anything on a vehicle, This truck is NOT for you !!!

This truck is only for someone who knows how to fix things and is good at finding the issues, and solving problems.

About the Truck:

139k miles. Clean title. But battle tested. Some hail damages, wounds, since 1996.

1. Almost all sensors are new, the MAP sensor, TPS sensor, IAC sensor, Oil press sensor, Coolant Temperature sensor, Engine Air Temperature sensor, Throttle Position sensor, O2 sensor.

2. New fuel pump, new distributor cap and new spark plugs and cables, new ignition coil,pickup coil, fuel injectors, new EGR valve, new catalytic converter, new muffler... New front crome bumper...New radiator, New Battery...

3. An extra ECM, or the computer of the truck programed with the same VIN number of the truck.

This truck is almost with all new components in the Truck!!!

Why have I changed so many parts?
because I am a dummy, and an optimist. I think I can fix things just by Google search and YouTube video, except I couldn't find out the real problems, I just started changing parts I thought would solve the problem.

Now, I realized I am no auto mechanic, and it's time to hand over the truck to an expert to bring it to its glorious days.

Now about the issues with the truck:

The good part:

1. This truck runs !!! AC/Heater works perfectly.

2. The original radio, cassette player works perfectly.

3. No leaking of oil, super clean engine bay under the hood! Clean interiors.

4. 6.5ft bed, with an after market backup camera.



The problems:
1. This truck dies, sometimes at traffic lights, sometimes in the morning idling after it was started. Some times it starts right back, sometimes not.

2. When it won't restart, I switch the ECM, it's good again. And after a while, like a few days, the symptoms come back. So I just switch to the other ECM.

3. There is no check engine light at all!!! This is the mystery!!!

4. Then someone said, it might be the vacuum line, so I changed some hoses.
But it still not solved the problem.

The only thing I didn't have the will to do is the electrical wiring, too daunting for me... But I did tied all the ground together...

Now, it's time for you to give it a try !!!

The list price won't even cover the parts I put in the truck. But I'll be super glad if someone can find the problem and fix it for good. It might last another 100,000miles afterwards. Who knows.

Thanks for your interest in solving this mystery!!!
"


John

The dream is dead, long live the dream.......😥
Re: dead dakota [Re: SattyNoCar] #2714686
11/11/19 12:27 AM
11/11/19 12:27 AM
Joined: Aug 2003
Posts: 954
garnett kansas
rhad Offline OP
super stock
rhad  Offline OP
super stock

Joined: Aug 2003
Posts: 954
garnett kansas
sounds like mine!!
i talked to the guy who is working on my truck yesterday,he said when it dies it looses all ability to get any codes from the computer,there is one of the wires that provide power to a part of the computer that acts as memory,the way he explained it was like your radio that remembers your preset stations etc,sometimes it will start and drive and not die,next time it wont start,then later it starts right up,i suggested that he run jumper wires to both the power and the grounds,he said he didnt want to jerry rig it,to which i said its not a new cadillac,just make it run!!


my ladder of success is missing some rungs
Re: dead dakota [Re: SattyNoCar] #2714687
11/11/19 12:29 AM
11/11/19 12:29 AM
Joined: Aug 2003
Posts: 954
garnett kansas
rhad Offline OP
super stock
rhad  Offline OP
super stock

Joined: Aug 2003
Posts: 954
garnett kansas
i wonder if the guy with the 96 changed out the crank sensor?


my ladder of success is missing some rungs
Re: dead dakota [Re: rhad] #2714915
11/11/19 07:35 PM
11/11/19 07:35 PM
Joined: Apr 2004
Posts: 684
Maine
J
jerseybud Offline
mopar
jerseybud  Offline
mopar
J

Joined: Apr 2004
Posts: 684
Maine
Wiring harness would be suspicious based on my experience with my 92 w250, my 93 w150, and my brothers 92 dakota. The first 2 had severe corrosion at the common splice for the crank sensor and o2. This splice sits right above the transmission and is wrapped and not visible. Every single harness I've taken apart from this vintage has needed it cut out and repaired/soldered.
Your mechanics findings would suggest other wiring issues, but my point is that next step is to take the engine harness out and untape it and inspect every joint and splice.

Re: dead dakota [Re: jerseybud] #2717735
11/19/19 11:42 PM
11/19/19 11:42 PM
Joined: Aug 2003
Posts: 954
garnett kansas
rhad Offline OP
super stock
rhad  Offline OP
super stock

Joined: Aug 2003
Posts: 954
garnett kansas
i talked to my guy today,he said he changed the ecm and has been driving it for a few days and all is well,i told him to keep it for a while longer,last thing i want is to get it back and have it die on me!!


my ladder of success is missing some rungs
Re: dead dakota [Re: rhad] #2719343
11/25/19 11:22 PM
11/25/19 11:22 PM
Joined: Aug 2003
Posts: 954
garnett kansas
rhad Offline OP
super stock
rhad  Offline OP
super stock

Joined: Aug 2003
Posts: 954
garnett kansas
i got it back 2day,drove about 30 miles,didnt die,but check engine light came on,basically he changed the computer for one i had on it before,after he cleaned one terminal out of the 60!! that showed some corrosion
i might buy another ecm just to feel safe?,part number 56028741,appears to be 1992 only?


my ladder of success is missing some rungs
Re: dead dakota [Re: rhad] #2735018
01/20/20 06:22 PM
01/20/20 06:22 PM
Joined: Jan 2003
Posts: 12,043
State of Confusion
hp383 Offline
Just a normal tag again
hp383  Offline
Just a normal tag again

Joined: Jan 2003
Posts: 12,043
State of Confusion
I had a very similar issue with my 92 Dakota.

After months of frustration, checking codes, checking wires, changing parts, I stumbled upon an old TSB for the bronze bushing the oil pump drive shaft rides in.

Seems the early Magnums has a bad batch of bushings, and they would wear, allowing the distributor shaft and timing to fluctuate. If the timing gets too far out, the CPS doesn't get the correct signal, and it triggers the ASD relay.

I replaced the oil pump intermediate shaft, and bushing, and have had 6 years of dependable service from the old Dakota.

I had none of the surging, or noises, the TSB mentions, but my bushing was extremely warn, even the teeth on the drive gear had a knife like edge ground down when compared to the new drive gear.

Check the diagnosis section in the TSB, its an easy test with twisting the rotor.

http://dodgeram.info/tsb/1993/18-08-93.htm


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