P0352 Ignition Coil B Primary/Secondary Circuit Malfunction

Tiny
MAGICMAN
  • MEMBER
  • FORD E-SERIES VAN
Hello I have a 1997 Ford E350 Van with a 5.4 Triton V8 it was running fine when I parked it. Three months ago. Now It's running with a skip. Had it checked out at Ford Dealer. No No MIL light no codes but it has a stored code of P0352 Ignition Coil B Primary/Secondary Circuit Malfunction. I spent $3000 on 8 new spark plugs, 8 new coil packs, 8 new injectors. Still same problem exist. Then I went to another Ford Dealer for a test and they said that It stumped them because that should have cleared the issue. Stiil cylinder B or #2 still fails. I swapped #1 coil pack with #2 and still same issue. It appears just to be Cylinder #2. I went home and put a noid light to all in all 8 injectors. I found that the light flashes on 7 of them, and #2 will flash for 30 seconds then go out. Is there anything else I can try? Any help would be appreciated. Thanks in Advance. :
Tuesday, September 11th, 2007 AT 7:26 AM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Have you tested the wiring harness? It seems that somethings wrong between the PCM and the cop for #2 cyl. Have you done a compression test on the dead cyl? If it has a problem the injector my be shut down by the PCM.
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Tuesday, September 11th, 2007 AT 4:22 PM

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