Crank but no start

Tiny
HALINVER
  • MEMBER
  • 1991 DODGE DAKOTA
  • 3.9L
  • V6
  • 2WD
  • MANUAL
  • 97,118 MILES
The pick up was just overhauld and a week after just shut down and never started again. Changed every sensor, pick up coil, checked every splice connections and continuity and everything is alright, fuel pump works fine. Replaced the pcm. But doesnt start. It just dont give signal to the sensors. Dont know what else to do.
Monday, March 28th, 2016 AT 11:22 AM

12 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check your asd relay under hood first it may be corroded or making bad contact. Then check all fuses as you mayhave blown one going to ecm
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Monday, March 28th, 2016 AT 12:07 PM
Tiny
HALINVER
  • MEMBER
  • 6 POSTS
Thanks for yout replay. Have done that already. Everything is fine. Tried bypass the asd and the fuel pump will start working but the car still wont start. It gets no spark. But the coil and everything is new. Dont know what else to do.
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Monday, March 28th, 2016 AT 12:25 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuse D in pdc and fuse 13 in truck as they both power asd relay and may be killing power to the ecm. Other than that I can't think of anything else. If you get power from coil wire to dist then it may be a rotor/dist cap. Also check ohms of pick up coil in dist.
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-1
Monday, March 28th, 2016 AT 1:04 PM
Tiny
HALINVER
  • MEMBER
  • 6 POSTS
Can you tell me please where are they located? Cant fine fuse D and fuse 13z
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Monday, March 28th, 2016 AT 1:53 PM
Tiny
HALINVER
  • MEMBER
  • 6 POSTS
Coil, Dist cap and pick up coil in dist are new. But cant get spark. The wire that give energy to the ecm pin 3 is good but the pcm does not give signal to the sensors.
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Monday, March 28th, 2016 AT 2:01 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
I did tell you the fues d is in Pdc-power dist center under hood and 13 is inside the truck I have no pic of pdc so you'll have to physically look
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Monday, March 28th, 2016 AT 3:08 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
See pic
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Monday, March 28th, 2016 AT 3:08 PM
Tiny
HALINVER
  • MEMBER
  • 6 POSTS
Checked the Fuse D and 13 but the are good, cheked every splice and wire continuity and everything is good. What els you recommend me to do?
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Tuesday, March 29th, 2016 AT 12:28 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
I have no further suggestions or comments unless it's an ignition switch problem.
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Tuesday, March 29th, 2016 AT 1:20 PM
Tiny
HALINVER
  • MEMBER
  • 6 POSTS
Ok, I have checked the ignition switch and it seems to be working fine but I will change it anyway thank you for the suggestion.
While checking the dash lights the left side of the dashboard does not work. Only the oil light turn on when I switch on the car and while cranking it turn off. The right signal light works too. But the left one does not, the check engine light, headlights light, handbrake does not work either. That means there is a wiring problem right?
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Thursday, March 31st, 2016 AT 4:34 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
More than likely or something has been changed from incorrect year
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Thursday, March 31st, 2016 AT 6:10 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
Hi,

Thank you for the information. It's appreciated and I know it will help others in the future.

Take care and feel free to return anytime.

Joe
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Friday, December 9th, 2022 AT 10:47 PM

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