1999 Infiniti Q45


thomas a evans

January, 24, 2010 AT 7:28 PM

Computer problem
1999 Infiniti Q45 V8 Two Wheel Drive Automatic 104, 00 miles

Easy or hard to replace both or one knock sensor, where are they located? Do I need to remove the plenum, gaskets, and he like? Also unit is down for minor body work with battery disconnect and the emission is due. Will OBII need to gatehr data once reconnected, will the service code be gone, and will it even go thru emissions with no possible memory, history. If gone how long will it take to gather data for the memory. If I erase the Knock code willit go thru emissions? Is it better to purchase dealer Knock sensors than after market units?

Thanks TAe 01.23.10


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