Question about 1999 Dodge Ram

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1999 Dodge ram 1500 5.9l will not start

I parked my truck wednesday night and when I went out to start it on thursday morning it would not fire, the motor just keeps turning and turning. I didn't have a chance to look at it till that night. I went out and discharged the pressure on the fuel rail and tried to start it again, the fuel pump did re-pressurize the fuel rail. I then pulled one of the spark plug wires on the cap and set it to the side of the post and turned the motor over. I saw arc's so it looks like I am getting spark. As a last attempt I disconnected the battery for 30 minutes to let the computer reset itself, plugged it back up but still no go. Does anyone have any suggestions for me?

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  • ccrawford86 Nov 14, 2008

    Thats what I was worried about.......

  • Philsy9 Dec 07, 2008

    I have the same problem with a 5.9L Durango. I have changed the plugs, wires, cap & rotor. Still won't start but getting fuel and spark. Then someone told me to change the crank sensor so I did but still no good. I guess the next step is cam sensor?
    Anyone have any ideas?

  • jensy Dec 08, 2008

    we just purchased a 99 dodge ram 1500 at an auction. Guess what? it wont start. The bells work and the dash lights come on, but the motor wont turn over at all. We've not purchased a truck before so we dont know anything about them. We did try to charge the battery and still nothing. Please help. Jen

  • darrylbak174 Dec 16, 2008


    1. 1999 dodge ram will not start checked spark and fuel and ok just turns over not firing

  • Anonymous Jan 06, 2009

    I have had the very same problems with my 1999 Dodge Ram for the last two winters. I have replaced the battery, alternator, which seemed to help some. I have also replaced the O2 sensors and have had to have the thing towed about 10 times because of no starting when cold. No repair shop can seem to figure it out either because it always starts for them. I am leaning toward replacing the crankshaft position sensor.



  • Anonymous Jan 10, 2009

    mine died on the road and would not start.cranks but no start

  • moparx11 Mar 29, 2009

    same problem here, checked the resistance on pin 17 and 4 and found no change by disconnecting any sensor except the MAP sensor. any possibility a bad MAP could cause a no start??

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Here is a quick test you can perform to eliminate or confirm a problem with the TPS, MAP, Crank and Cam Sensors. A bad Crank or Cam sensor can cause a no start. You will need an Ohm meter.
The PCM has 3 connectors. Facing the controller from left to right, they are labeled C3,C2,and C1.
With the ignition off, disconnect C1. Set your meter for 2K ohms. Disconnect C1 and touch the test leads to pin 17 (5v) and pin 4 (sensor ground). (The pins are numbered) The ohm reading should be somewhere between 600 and 700 ohms. If you see less than 600 ohms start unplugging the sensors one at a time while testing. When you achieve 600 - 700 ohms you have found the defective sensor.
If your sensors are good, I would take the advice of rick7544 and swap out the ignition coil.

Hope this helps....

Posted on Dec 19, 2008

  • actionair3 May 07, 2011

    I have been having problems with my 1996 Dodge Ram running fine but it will randomly stall out and then not start right away if I leave it for awhile it will start and run fine.This trouble is very intermittent as sometimes on the original start in the morning it does the same thing.I have already replaced the Computer and the coil.I have tracked it down to definitely a spark issue as when this trouble appears I have no spark to spark plugs.This morning I had the same trouble after reading this post I measured the resistance across pin 17 (5v) and pin 4 (sensor ground)and received the correct reading of 600 ohms confirming my sensors were good.I then turned on the key and measured DC voltage across pins17 and pin 4 and read 5 1.5 volts D.C.not sure if this is the correct reading.With the key still on I connected C1 back to the computer.Once I did this I heard some relays energizing and then I tried to start the truck and it started.This is a very frustrating trouble but appreciate the tip confirming my sensors are good saves me some money as I was wondering how to test if these sensors are good.I am now pretty sure that I have narrowed my troubles down to the C1 plug possibly a ground issue?If and when I track down the trouble will post with what I find

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I had same problem.Take the coil off and look at the waxy/plastic bottom if it has a crack in the bottom moisture is getting into the coil giving you spark at times and no spark at other times. coil is $39.

Posted on Dec 18, 2008

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THE SPARK SHOULD BE BRIGHT BLUE AND JUMP AT LEAST 1/4 IN. IF SPARK IS A YELLOW COLOR THE COIL IS WEAK AND NEEDS REPLACING

Posted on Dec 09, 2014

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Same thing here! was getting fire at a test plug, that can be deceiving. Coil was the problem.

Posted on Mar 30, 2009

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My truck is doing the same thing keeps turning over and not starting up. I brought it to a sears auto center for a diagnostics test. They said I need to replace my fuel pump and would suggest replacing my spark plugs. They wanted 900 for the fix, but I'm going to take it to a smaller shop tomorrow i'll let you know how it goes.

Posted on Jan 15, 2009

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Try the timing belt

Posted on Dec 31, 2008

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Sounds like a like an ECU/Antitheft problem, try the sparekey first(Chip might be broken) then im afraid youll need a "codereader"/Dealer after that;(

Posted on Nov 14, 2008

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