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08 Saturn aura 4cyl No crank no start

  • barry.hyrne
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12 Aug 2019 02:05 #32743 by barry.hyrne
08 Saturn aura 4cyl No crank no start was created by barry.hyrne
08 Saturn aura 4cyl started with no start no crank . Jump crank relay and cranks. Replaced ignition switch. No help . 5volt ref good. Replaced ecm and went threw 10min 3 times with key. Cranks now no start , no noid. , spray either in throttle body engine starts???

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12 Aug 2019 17:56 #32755 by Cheryl
Replied by Cheryl on topic 08 Saturn aura 4cyl No crank no start
Any codes in any modules??

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12 Aug 2019 18:05 #32756 by Cheryl
Replied by Cheryl on topic 08 Saturn aura 4cyl No crank no start
Just asking you have power to the injectors??

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12 Aug 2019 22:46 #32767 by barry.hyrne
Replied by barry.hyrne on topic 08 Saturn aura 4cyl No crank no start
Power to injectors no noid

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12 Aug 2019 23:47 #32768 by barry.hyrne
Replied by barry.hyrne on topic 08 Saturn aura 4cyl No crank no start
Code port wont read shows err

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13 Aug 2019 16:35 #32780 by Cheryl
Replied by Cheryl on topic 08 Saturn aura 4cyl No crank no start
I’d be checking powers and grounds at the pcm if you can’t communicate with it.

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14 Aug 2019 19:55 #32819 by barry.hyrne
Replied by barry.hyrne on topic 08 Saturn aura 4cyl No crank no start
Thanks I need to find wiring diagram for that check at pcm. I checked injector harness no positive current and ground side hardly lights very dim. ??

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14 Aug 2019 19:59 #32820 by barry.hyrne
Replied by barry.hyrne on topic 08 Saturn aura 4cyl No crank no start
Also the scanner says crank sensor relearn

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14 Aug 2019 22:20 #32825 by barry.hyrne
Replied by barry.hyrne on topic 08 Saturn aura 4cyl No crank no start
engine cranks and runs on starting fluid , no injector pulse , no 12volts to injector harness , ground side is very dim . replaced ignition swich and pcm, engine code crank sensor needs relearn. ?????????

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15 Aug 2019 06:08 #32830 by Cheryl
Replied by Cheryl on topic 08 Saturn aura 4cyl No crank no start
That’s what I asked earlier do you have 12 volts to one of the injector wires during key on or engine cranking. Have you checked the fuses yet?? Also the engine has a schrader valve have you checked fuel pressure???

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15 Aug 2019 06:09 #32831 by Cheryl
Replied by Cheryl on topic 08 Saturn aura 4cyl No crank no start
Also how are you checking the ground side?

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15 Aug 2019 16:29 #32845 by Chad
Replied by Chad on topic 08 Saturn aura 4cyl No crank no start

barry.hyrne wrote: I need to find wiring diagram for that check at pcm.













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