Question about 2000 Dodge Ram 1500 Truck

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I have a 98 dodge ram 1500 with a 5.2L. I got a code of p1391. i changed out the crankshaft sensor, and still wasnt working right. I was then told to change out the computer, so i did, and still not running right, just goes crazy on the rpm's, up and down then finally dies out. I just changed spark plugs, spark plug wires, dist. cap and rotor. What else could be my problem?

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P1391 is fixable just turn the distibutor counterclockwise a 1/4 inch turn. some how the work that was done to it made it turn or old timming chaine

Posted on Sep 14, 2010

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Try cleaning the throttle body, iside of it take a tooth brush and carb clean and scrub both bores especially were the plates rest at idle. the code is a missfire code. dirty throttle bodys cause all the problem you mention and then some.

Posted on Sep 02, 2010

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P1391 Dodge Ram


So is there a question?

Oct 09, 2015 | 1999 Dodge Ram

1 Answer

My car reading the following codesp1489 codep0601 p0725 p1490 p1391 p0700 p 0703,car cut off while driving oil seems to be thin smells a Lil like gas was told its a sensor but not which one Let me know any...


If the oil smells like gas , pull the dip stick an put a lighter to it ! If it catches fire there is gas in the oil ! you don't won't to drive the car it could explode ! .
P1391 is for camshaft position sensor and crankshaft position sensor. the code is for either sensor or both

Read more: http://engine-codes.com/qa/4492/p1391-dodge#ixzz3TS85EkNt
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P0725 Dodge - Engine Speed Sensor Circuit
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With all these codes present , without looking under the hood , I would think you have a wiring harness problem ! I have seen critters make nests in the engine compartment , they like to chew wiring ! Have seen air filter boxes full of dog food . Good luck your going to need it !

Mar 04, 2015 | Dodge Cars & Trucks

1 Answer

98 dodge avenger p1391 code, had no start first with no code and replaced dist..didnt fix it..then replace crank sensor and that worked..ben running fine for a year..now all of sudden runs crappy and...


Check connections to crank sensor, then reset your comp by disconnecting your battery cables and holding them together. Make sure to have the code cleared as well.

P1391 (M) Intermittent Loss of CMP or CKP Loss of the Cam Position Sensor or Crank Position sensor has occurred.

Apr 14, 2013 | 1998 Dodge Avenger

2 Answers

I HAVE A 97 DODGE RAM 1500 V8 AND ONE CODE CAME UP A P1391 CODE I NEED TO KNOW WHAT IT IS


P1391 DODGE - Electronic Brake control Rough Road Data Unusable/unreadable
You need to see the dealer on this, it may be programing issue.

Nov 07, 2012 | Cars & Trucks

1 Answer

P1391 cmp sensor or lost of cmp


DTC P1391 - Intermittent Loss of CMP (Camshaft Position) Or CKP (Crankshaft Position) sensor

Your Crankshaft or Camshaft sensor is not working properly. Needs to be checked out and maybe replaced; first try checking the wiring and harnesses (very common failures).

May 18, 2011 | Dodge Caravan Cars & Trucks

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Code p1391


P1391: Loss of the camshaft position sensor or crankshaft position
sensor has occurred. This can cause the car to start hard or not start at all. Replace both of these sensor should fix the problem.

Nov 13, 2010 | 2000 Dodge Intrepid

1 Answer

What does the p1391 code on a 99 dodge ram 1500 5.2l v8 meen


check engine light and code P1391 crank or cam position sensor

The above can cause rough idle on the Dodge Ram 1500 5.2L V8 Engine.

Can try to replace the sensor, but verify that the wires are ok first.

Aug 12, 2010 | Dodge Pickup Cars & Trucks

1 Answer

P1391 c0de 2002 dodge ram van no start


Code P1391 Loss of crank or cam sensors,P0340 No cam signal at the pcm. I would replace the crank sensor first. Your cam sensor is part of the dist. on 5.2/5.9 engines.
Hope that helps.

Mar 16, 2010 | 2001 Dodge Ram 2500 Truck

1 Answer

My ram 1500 5.2 motor give a code p1391 what is


P1391 - Intermittent loss of CMP or CKP.

Generally, this code will indicate that the crankshaft sensor is faulty. The sensor is mounted in a fixed position in the engine block. The tip of the sensor protrudes into the crankcase at a distance of 0.05 plus or minus 0.02 inch from the crankshaft. I would check the wiring harness for loose connections. Inspect the trigger wheel behind the crankshaft pulley and the sensor for damage. replace if needed.


If a crank or cam sensor fails, the engine will not start. both of these sensor circuits can be checked with a voltmeter or lab scope.If the sensors are receiving the correct amount of voltage and have good low-resistance ground circuits, their output should be a pulsing digital signal or voltmeter reading while the engine is cranking.

If any of these conditions do not exist, the circuit needs to be repaired or the sensor needs to be replaced. The location of the Cam shaft sensor will be mounted on the distributor. Use the sensors terminals for testing. Over 7 volts is ok, but anything below that at the sensor will indicate that the sensor wires are bad. If the voltage is low at the PCM, the PCM is suspect.

Dec 15, 2009 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

Rough idle and misfire on ram truck


Change cam sensor & erase codes.( disconnect battery for a minute or so after.) 340 & 1391 refer to cam sensor problem, and all other 300 codes are cylinder misfires that should disappear when cam sensor fixed.

Jul 09, 2009 | 1997 Dodge Ram 1500 Club Cab

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