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No spark to plugs

Tiny
REDBONE
  • MEMBER
  • 1996 DODGE INTREPID
  • 3.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 158,750 MILES
I do not get any spark to the spark plugs, I have put in a new PCM, crankshaft sensor, camshaft sensor and had the coil pack tested and the coil was good and still get no spark. Also put new ASD relay in and still no spark. Any suggestions on why I am not getting any spark at the spark plugs?
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Thursday, August 2nd, 2018 AT 7:03 PM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,332 POSTS
When you are cranking it over does the security light flash? Please let me know, Ken
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Saturday, August 4th, 2018 AT 3:20 PM
Tiny
REDBONE
  • MEMBER
  • 93 POSTS
Do not know for sure if the security light did anything. What does it mean if it flashes or not? Also checked the wires from the PCM to the coil and injectors and no break in the wires.
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Sunday, August 5th, 2018 AT 9:13 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,332 POSTS
If it is flashing the system is enabled and the computer will cut fuel/spark. Please crank it over to see if the light flashes so we know which direction to go in.
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Sunday, August 5th, 2018 AT 4:04 PM
Tiny
REDBONE
  • MEMBER
  • 93 POSTS
No security light shows up when key is turn on and when cranking do not see a security light flashing. Does this model have a security system? I could not find any information about a security in the Haynes repair manual. Am I overlooking something?
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Thursday, August 30th, 2018 AT 1:21 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,332 POSTS
Okay, it sounds like we lost power or ground somewhere. Here is a guide to help you test the power and ground circuit of the PCM. To make sure that are good and the wiring diagrams below will show you which pins to check.

https://www.2carpros.com/articles/how-to-check-wiring

We should run the codes as well.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Friday, August 31st, 2018 AT 10:34 AM

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