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Discussion Starter · #1 ·
Hi' all, my 1991 Dodge Ram van is not running to well and is cutting out now and then and rather than go down the replace this replace that with all the electronic stuff i wondered if there is an ordinary distributor and carb available for this engine so that i can bypass all the fuel injection and electronics to make it all simple?
And if so where can i get them from?
Thank's in advance, DAVE.
 

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Dave,

Before jumping into something that may not solve the problem, look over these TSBs.

Stev

Automotive Recall and Technical Service Bulletin Titles for 1991 Dodge Truck B150 1/2 Ton Van V6-239 3.9L. (These apply the 1991 vans.)

TSB Number & Issue Date TSB Title
641 DEC 95 Recall - Steering Wheel Anti-Separation Plate
TSB Number & Issue Date TSB Title
307T APR 91 Campaign - Transmission Fill Tube
TSB Number & Issue Date TSB Title
21-010-06 APR 06 A/T - ATF+4 Fluid Usage/Applications
23-014-06 MAR 06 Wipers/Washers - Wipers Smear or Streak Winshield
24-003-03 MAY 03 A/C - System Sealer Usage Prohibition
08-006-00A DEC 00 Wiring - Revised Splicing Procedure
23-008-00B NOV 00 Child Seat - Tether Anchor Part Numbers & Labor Time
08-11-00 MAR 00 CD Player - CD Compatibility
23-35-99A OCT 99 Child Seat Tether Anchor - Labor/Parts Identification
08-23-99 JUL 99 Radio Communication Equipment - Recommendations
08-36-98 JUL 98 Auto Computers - Y2K Effects
09-07-97 JUN 97 Engine - Rattling/Lifter Type Noise
07-03-97 MAY 97 Engine - Coolant Recommendations
210797 MAR 97 A/T Cooler - Reverse Flush With Bypass Kit Installed
23-03-97 FEB 97 Black Plastic Body Components - Chalky Residue
231396 FEB 96 Door Glass - Separates From Glass Lift Channel
210196 JAN 96 A/T - Cooler Bypass Kit
ATRATB369 JAN 96 A/T - A500 No Fourth Gear After Rebuild
ATRATB357 JAN 96 A/T - A500, A518 No Fourth Gear
082295 MAY 95 Radio Transmitters - Installation
240195A MAR 95 A/C - R-12 to R-134a Conversion Procedure
090994B JAN 95 Engine Rear Main Bearing Seal - Oil Leak Diagnosis
ATRATB298 JAN 95 A/T - A500 Binds on Manual Upshift From Low
241794 NOV 94 A/C - Evaporator Freezes Up/Lack Of Cooling
212094 OCT 94 A/T - Fluid Level Checking
211894 SEP 94 A/T - Driveline Clunk on 4-3 Downshift
210894 APR 94 A/T - Delayed Gear Engagement After Start Up
081194 FEB 94 Electrical Connectors - Cleaning Precautions
092193 DEC 93 Engine - Knocking When Cold
212093A OCT 93 A/T - Delayed Transmission Engagement or No Drive
ATRATB191 OCT 93 A/T - Failsafe Modes
050893A SEP 93 ABS - Operational Characteristics
140593B AUG 93 Fuel Pump - Multiple Driveability Concerns
ATRATB176 JUL 93 A/T - A500/A518 Overdrive Bearing Failure
233793 JUN 93 Stone Guard - Paint Repair
140393 MAR 93 Fuel Pump & Filter - Replacement Information
ATRATB145 NOV 92 A/T - A500/A518 Overdrive Section Assembly Tips
ATRATB132 SEP 92 A/T - Intermittent Electrical Problems
240392 AUG 92 Heater/AC Blower Motor Fan Switch - Inoperative
241192 AUG 92 A/C Refrigerant - Substitutes and Compatibility
240692 JUL 92 A/C Unit Changes to Defrost Mode When Accelerating
230892 MAY 92 A Post/Front Door - Wind Noise
ATRATB104 MAR 92 A/T - A500/A518 No 4th Gear
211991 DEC 91 Automatic Transmission Fluid - Recommendation
ATRATB083 NOV 91 A/T - A500 Burnt Overdrive Clutches
ATRATB082 NOV 91 A/T - A500 Overdrive Planetary and Bearing Failure
ATRATB078 NOV 91 A/T - How To Use A Pressure Gauge
ATRATB081 NOV 91 A/T - Thrust Plate Selection Procedure
081191 OCT 91 Fuel Gauge - Reads Low With Full Fuel Tank
211191 SEP 91 A/T - A500 & A518, 3-4 Upshift/Downshift Rattle Noise
081091 SEP 91 Speedometer/Cruise Control - Fluctuates/Disengages
070291 JUL 91 Thermostat Housing Gasket - Coolant Leak
090491 JUN 91 Cylinder Head Cover Gasket - Production Change
080791 MAY 91 Wiring - Repair Instruction Sheets
080591 APR 91 Trailer Tow Wiring/Components - Installation Cautions
230291 FEB 91 Paint - Variance Program
050191 JAN 91 ABS - Warning Lamp ON Code 9 Set
070390 DEC 90 Engine Coolant - Recycling Recommendations
081990 NOV 90 Passive Restraint - Test Procedure, Manual Revision
231290 OCT 90 Paint - Application/Codes/Cross References
ATRATB028 OCT 90 A/T - Engine Vacuum Testing
260490 AUG 90 TSB - Body Code Usage
ATRATB9002006 FEB 90 A/T - Choosing the Right ATF
ATRATB8930 OCT 89 A/T - Math Part II
ATRATB8927 SEP 89 A/T - Twenty Steps To Successful Repairs
ATRATB8923 AUG 89 A/T - Math Formulas Part I
ATRATB8754 SEP 87 A/T - Front Bushing Wear
ATRATB8748 AUG 87 A/T - Slipping or No-Shift/Metal Sealing Rings
 

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Did you check for any trouble codes in the PCM?
How's your fuel pressure?
When is the last time you had a tune-up?
How does it start when cold and hot?
Do you feel any skipping?
When it cuts out, do you lose electrical power to anything?
 

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Discussion Starter · #4 ·
Thanks for the reply's guys but can i get a normal points dizzy and carb for this engine? I'm old school and i just wanna junk all the cr*p off this van and make it reliable, no i doubt it's been serviced for some time as not many people on this side of the pond know anything about proper american stuff and no-one has the diagnostics to sort out the older vehicles.
I never liked all these scensor's and computor's they just make it so people have to throw money at their vehicle's instead of fixin em' sorry for the rant.
Dave.
 

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Dave,

Just getting a carb to work on the engine isn't going to do you any good. The vehicle has a computer regardless. You swap the TB out for a carb and other issues/problems will crop up really ugly for you. Even to the point of spending much money.

On all of the Chrysler vehicles made for some time now, you can easily check the compute engine codes without the need to find any dealer or service garage.

Just turn the key in the ignition from on/off three times without starting the engine. On the last key turn, leave the key to the on position. The "check engine" light will flash a sequence of times. Write down the number of flash sequences. Usually, these flashes are in groups of two. An end of code flashing is 55. That is, five quick flashes a pause and another five quick flashes.

Once you have those numbers, we can quickly tell you what the problem is and how to fix it. That's one of the best things Chrysler has for it's vehicles vs. the other domestic American vehicles.

We want to really help you at this problem, but your year has a computer regardless of wanting to swap in a carb. ;)

Stev
 

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I'm not sure if it applies to your van, but at least in later years the gauges/warning lights, fuel pump, cruise control, check engine light, etc., are controlled BY the PCM. If you eliminate the PCM, you'll also lose that stuff.
 

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Discussion Starter · #7 ·
Flippin'ek ! well the haynes book of lie's say's iv'e got 33 air con fault and there's none fitted, EGR diagnostics fault (california models only) van's from Kansas, 42 auto shutdownrelay driver fault, 37 part throttle unlock solenoid driver circuit fault.
So what's all that lot about? As i said i'm old school and all this does my ead in.
Thank's Stev & Alloro.
Dave.
 

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Im not to good with this new modern stuff either, but I think if u disconnect the battery for a few minutes, the false codes should disapear and then just the actual real codes should come back. I say this because didnt u just replace a bad auto shut down relay? So that code shouldnt be in the system any longer, and who knows about those other codes, maybe they are past problems also? Just my 2%
 

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The code 42 could explain your cut-out problem. This code is telling you that the PCM has detected an open for the ASD relay's coil circuit. As danvan pointed out, it could be an old code, but at the same time there could still be a problem with the ASD circuit. The only way to know is to clear the codes and start fresh.

The code 37 has to do with the torque converter lockup circuit going to the tranny. The circuit is open or shorted and you need to attack it with a meter (not literally) to figure out the exact problem.

You can ignore the code 33 if you don't have A/C.

What was the code number relating to the EGR fault?
 

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Discussion Starter · #10 ·
Thank's again for your suggestions guy's, I thing the fault code number for the EGR fault was 25 not real sure, it's very awkward to read these morse code's for a pleb like me lol. I don't even know what EGR stand's for?
Think i'll try disconecting the battery next, thank's Dan but will have to wait untill the weekend to do it cuz of work.
I still think i could do with a new ignition switch but my parts dealer can't find it listed over here also when reading the code's it's very hard to distinguish between the length of pauses on the flashing light.
 

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EGR - Exhaust Gas Recirculation
This system allows a certain degree of exhaust gases to flow back into the intake manifold. The purpose in doing this is to reduce exhaust emissions and reduce pinging in the engine. if the EGR system or valve fails, it can effect how smooth the engine is running and cause stalling at idle.

For the ignition switch, I looked up your 91 and found the ignition switch at Autozone.com (maybe they ship overseas). Anyway, they said on the page that the ignition switch replaces these OEM numbers: 4443924, 4504211, 4797401, 5269497. So maybe your parts guy can look up these OEM numbers and find something.
 
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