Not getting fire

Tiny
MATTKNICELEY
  • MEMBER
  • 1996 DODGE STRATUS
  • 170,000 MILES
It died the other day was not fireing I replaced the crank sensor it ran great then died 20 mins later and was not fireing again don t want to keep thowing money at it please help
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Tuesday, May 8th, 2012 AT 12:59 AM

16 Replies

Tiny
DRCRANKNWRENCH
  • EXPERT
I am attaching 4 diagrams of the entire engine wiring system. This should help you to be able to trace the problem by process of elimination. Since the car ran, it sounds like something is failing intermitantly. The best way I have found to do electrical diagnosis like this is to trace the circuit and check for voltage at nodes. Nodes being things like, coils, ignition boxes or PCUs, etc.
So you can start at the fuse and find a point where the wire to run the engine should be hot with the key in the run position.
Follow this procedure until you find a point where there should be voltage, but there is none. I realize this does not work for every scenario, but since you have a new cranshaft position snesor and the car has been running, it is still a good way to go especially when you are getting to the point where you just are out of ideas. Use your common sense though. Check the camshaft position sensor to make sure it is getting voltage. Even if it is it might not be working right, but there is not much you can do but inspect the air gap and the general condition of it.
The only specification for testing anything electrical is the throttle position snesor, which is worth checking, I have attached it as well.
Also, check grounds to make sure they have a good metal to metal corrosion free fit.
I hope this helps you out.
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Tuesday, May 8th, 2012 AT 1:25 AM
Tiny
MATTKNICELEY
  • MEMBER
Thanks I did check the cam sensor it seems to have a crack in it I also see that it was been leaking oil out of the cam sensor do you that would have anything to do with it
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Tuesday, May 8th, 2012 AT 1:41 AM
Tiny
ASEMASTER6371
  • EXPERT
Did you remove the distributor to remove the sensor?

Roy
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Tuesday, May 8th, 2012 AT 1:50 AM
Tiny
MATTKNICELEY
  • MEMBER
There is no distributer that I seen the cam sensor is right on top of the motor only had to remove the air cleaner box
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Tuesday, May 8th, 2012 AT 1:56 AM
Tiny
ASEMASTER6371
  • EXPERT
Is this a 4 cly or a v6

Roy
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Tuesday, May 8th, 2012 AT 2:04 AM
Tiny
MATTKNICELEY
  • MEMBER
2.4 dohc 4 cly
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Tuesday, May 8th, 2012 AT 2:09 AM
Tiny
ASEMASTER6371
  • EXPERT
Ok, no distributor.

Did you check for any codes? Yes, the cam sensor being bad would cause a no start. More important, is the timing belt ok? Does it have compression and did you verify it?

Does it have fuel pressure? We need to look at the basics before looking at any other sensors.

Roy
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Tuesday, May 8th, 2012 AT 2:11 AM
Tiny
MATTKNICELEY
  • MEMBER
I put a timeing belt and tenser on it about 4 mouths ago it does have fuel pressure I haven checked any codes yet
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Tuesday, May 8th, 2012 AT 2:17 AM
Tiny
ASEMASTER6371
  • EXPERT
Did you spray starting fluid in the air filter to see if it tries to start?

Roy
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Tuesday, May 8th, 2012 AT 2:27 AM
Tiny
MATTKNICELEY
  • MEMBER
No I haven tryed that
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Tuesday, May 8th, 2012 AT 2:29 AM
Tiny
MATTKNICELEY
  • MEMBER
I do have a new cam sensor going to put it on in the morning uf it trys to start what that mean thanks for the help
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Tuesday, May 8th, 2012 AT 2:31 AM
Tiny
ASEMASTER6371
  • EXPERT
If it tries to start, it may be fuel delivery. The pump may be bad.

Roy
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Tuesday, May 8th, 2012 AT 2:32 AM
Tiny
MATTKNICELEY
  • MEMBER
Is there a wy to check and see if the crank sessor whent bad payed 87 dollors for it
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Tuesday, May 8th, 2012 AT 2:43 AM
Tiny
ASEMASTER6371
  • EXPERT
Yes, you need a scan tool to monitor the signal. You need a shop to take it from here. Stop guessing and throwing parts at it.

Roy
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Tuesday, May 8th, 2012 AT 2:49 AM
Tiny
MATTKNICELEY
  • MEMBER
Will do thanks for the help you are right I will find one tomorrow
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Tuesday, May 8th, 2012 AT 3:01 AM
Tiny
ASEMASTER6371
  • EXPERT
Good luck

Roy
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Tuesday, May 8th, 2012 AT 3:31 AM

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