P0327 KNOCK SENSOR FAULT???

1999 SAAB 9-5

Tiny

vw guy

May, 30, 2008 AT 10:55 AM

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

FOUND 640 RELATED QUESTIONS

3 Answers

Tiny

merlin2021

May, 30, 2008 AT 12:22 PM

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

Tiny

mastertechtim

May, 30, 2008 AT 12:26 PM

Ignition discharge unit? Is that what you replaced?

Tiny

vw guy

May, 30, 2008 AT 1:17 PM

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

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