1999 SAAB 9-5 P0327 KNOCK SENSOR FAULT???

  • Tiny
  • vw guy
  • 1999 SAAB 9-5

Engine Performance problem
1999 Saab 9-5 4 cyl Two Wheel Drive Automatic 136000 miles

I have already replaced the ignition casset with a brand new unit.
still getting this fault and also random missfires
anything would be helpful

Friday, May 30th, 2008 AT 10:55 AM

3 Answers

  • Tiny
  • merlin2021
  • Expert
  • 17,583 posts

Can be as simple as a bad spark plug...there is no knock sensor on these, and this code really refers to the Ignition module's measurement of plug resistance. Read this...


http://www.2carpros.com/forum/automotive_pictures/62217_P0327a_1.jpg

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Friday, May 30th, 2008 AT 12:22 PM
  • Tiny
  • mastertechtim
  • Member

Ignition discharge unit? Is that what you replaced?

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Friday, May 30th, 2008 AT 12:26 PM
  • Tiny
  • vw guy
  • Member

Yes the discharge unit
I have pin tested the harness all wire check ok between ecm and coil

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Friday, May 30th, 2008 AT 1:17 PM

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