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Keep getting code p1391

1997 dodge Dakota 3.9 keeps giving code p1391 and running bad what could be wrong?

Posted by Mike Clark on

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1 Answer

Stephen

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  • Chrysler Master
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You may need a shop manual for this one.
Code 1391 means the crank sensor or cam sensor signal is not steady or dead at times.
The distributor acts as the cam sensor, so it could be that or the crank sensor, or a problem with the wiring harness.

Posted on Feb 18, 2014

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5 Related Answers

motor1258

Mike Butler

  • 6674 Answers

SOURCE: 92 dodge dakota v6 runs then shuts off

35 says idle switch motor, 41 alternator field circuit open or shorted.
For all the time it takes, I would remove idle air control motor, on side of throttle body, clean it all up, and spray good in port you remove it from , with throttle body cleaner, and retry it, and see if it makes any difference.Inspect & Spray connections with contact cleaner too.

Posted on Jan 23, 2009

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Anonymous

  • 1 Answer

SOURCE: 2001 Dodge Dakota- Electrical

As crazy as this sounds, I think it was actually a bad battery to begin with and then a bad replacement battery. I replaced the original battery (originally the high amp option) with one from NAPA with a higher amp rating (matched to truck with their computer). The problem returned (as I said previously). I finally got frustrated enough and figured I would try another battery. I bought a Die Hard from Sears. I did a top off trickle charge and then installed it. I have not had the problem since... it's been 3 months and the truck has been great... no problems.

Posted on Apr 01, 2009

Anonymous

  • 13 Answers

SOURCE: My 92 Dodge Dakota keeps dying while in motion

I had same problem with 99 Durango.
It was an easy and cheap fix -- I went to AutoBeef.com and learned common problem with 98 & 99 Durango -- sounds exactly like your problem. I was encouraged to replace the PCM "Brain" and was advised of an online Refurbished PCM dealer located in Florida. You can google as I forgot the name. I called them and they confirmed an easy fix w only 3 screws to change out the brain. The cost was < $300.00 and my son & bro changed it out. Runs great ever since -- I was so grateful for AutoBeef.com for delievering this information to me. My car would die on me without warning -- totally unreliable and dealer and mechanics had no clue. Your problem sounds like mine -- call the PCM reburbishing company and see what they think.

Posted on Apr 08, 2009

Anonymous

  • 1392 Answers

SOURCE: 2002 dodge dakota v6 3.9L starts but stalls immediatley

Sounds like your IAC motor is getting stopped up. Clean out the passage, and the throttle body. If that doesn't work, get a new IAC motor.

Posted on Jul 25, 2009

Jonah Oneal

  • 14092 Answers

SOURCE: my 03 dodge dakota keeps giving me a engine light.

CODE PO499 - NVLD CANISTER VENT SOLENOID CIRCUIT HIGH. SOUND LIKE THE NVLD CANISTER VENT SOLENOID IS FAULTY.

Posted on Mar 29, 2010

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1 Answer

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This code refers to the crankshaft position sensor. The sensor may be bad and need replacement. If the sensor is bad it can cause the symptoms you are mentioning

Jan 05, 2016 | 1996 Dodge Dakota

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1997 dodge dakota how many volts does the crankshaft position sensor require


Code 320 is a problem with the tach signal which could be the crank or cam sensor.
Code 351 is a problem with the positive or negative circuit to the coil.
And code 1391 is for a problem with the ABS system which would not involve the engine running.
The sensors get a 5 volt reference from the computer and the return signal is what the computer "watches".
I would make sure you have battery voltage on the positive side of the coil and see if you have a ground reference from the computer.
You may need a shop manual to get the procedure to troubleshoot the ignition system.

Dec 25, 2012 | Dodge Cars & Trucks

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Dodge stratus code p1391 replaced knock sensor and cam sensor still nothing


in my code book gave me intermittent loss of cmp or cpk
for 2.0 L are you having any back firing problems ?? iif so timing belt may have jumped one tooth . just trying to help hope this gives you some other things to look at ,good luck
oh look up code p1390 just found it . explains more what i was saying.

Sep 29, 2012 | 1998 Dodge Stratus

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Im getting code P01391 but don't know what it is?


P1391 is Electronic Brake Control rough road data not usable.
The data the computer is reading from the wheel sensors (maybe) is out of normal range.
I would clear the code and see if it returns.

Jun 28, 2012 | 1998 Dodge Dakota

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2001 DODGE DAKOTA 3.9 AUTO 4X4 IT STARTED WHEN I DROVE TRUNK ABOUT 15-20 MILES WOULD SKIP BUCK BACKFIRE. RAN A SCANNER ON CODES P1391-REPLACED CRANKSENSOR. RAN GREAT DROVE HOME 30MILES. NEXT MORNING WAS...


Yes I have heard of it a few times on this site and it most often wiring harness related, bad branch out splices. Of course the PCM (ECM on earlier models) contains the ignition control module so it is also a suspect part.

Jan 26, 2012 | 2001 Dodge Dakota

1 Answer

Code P1391, replaced camshaft and crankshaft sensors, plugs and wires, rotor, and a couple fuses, can a loose or bad distributor be the cause for this code?


DIAGNOSTIC TROUBLE CODE (DTC) P1391: "INTERMITTENT LOSS OF CMP OR CKP"
This DTC is monitored with the engine cranking or running. This DTC will be stored in the Powertrain Control Module (PCM) when the PCM FAILURE COUNTER reaches 96 failures for 2 consecutive trips.
Posiible causes are: Craknkshaft Position (CKP) sensor improperly installed, defective CKP sensor, defective distributor, defective Camshaft Position (CMP) sensor, defective PCM, defective or broken flywheel, defective connectors or defective wiring.
Proper diagnosis is recommended before replacing ANY parts.

Oct 21, 2011 | 1999 Dodge Dakota

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Code P0725 , P0443 , Po1391 , 2000 dodge dakota


Can't find p0725 but should be a trans code. p0443 Evap purge solenoid circuit p1391 Intermittent loss of cam or crank

Jun 25, 2010 | 2000 Dodge Dakota Quad Cab

1 Answer

Need the fix for code p1391


http://www.obd-codes.com/trouble_codes/dodge/

Intermittent Loss of CMP or CKP

http://en.allexperts.com/q/Chrysler-Repair-807/2008/3/problem-P-1391.htm

Jan 12, 2010 | 2000 Dodge Dakota Quad Cab

1 Answer

96 dakota p1391 error


intermittent loss of ckp or cmp.problem is in the distributor.make sure rotor not loose or distributor hold down bolt loose.camsensor on the distributor.also check to see if crank sensor is loose and out of adjustment.

Jun 07, 2009 | 1995 Dodge Intrepid

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Replaced ctm unit and truck won`t stay running.


there are 2 sensor on the carb . you may need to replace both to find out whiche one it is . try this also give it gas while starting and when it starts you will have to keep your foot on the gas a little to keep it running if it runs that way its one of the 2 senors .

Jan 20, 2009 | 1997 Dodge Dakota

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