1999 Saab 9-5 p0327 knock sensor fault???

1999 SAAB 9-5
136,000 MILES • 4 CYL • 2WD • AUTOMATIC
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VW GUY
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I have already replaced the ignition casset with a brand new unit.
still getting this fault and also random missfires
anything would be helpful
May 30, 2008 at 10:55 AM
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MERLIN2021
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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...


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

May 30, 2008 at 12:22 PM
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MASTERTECHTIM
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ignition discharge unit? is that what you replaced?
May 30, 2008 at 12:26 PM
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VW GUY
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yes the discharge unit
I have pin tested the harness all wire check ok between ecm and coil
May 30, 2008 at 1:17 PM