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96 3.0 merc villager, knock sensor questions
Hi all,
I am getting two codes, 325 and 400. 325 is knock sensor malfunction.
Does anyone know how to test the sensor, it is very expensive and I would
rather not just replace it without being sure it is defective. Also,
where is it located on the block and what does a code 400 mean? I know it
is EGR related. Thanks for the help...
Tony
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