Having problems with your 1996 Chevrolet Astro ?

1996 Chev Astro Van V6: where is the knock sensor located? how do I replace it - step by step? thanks

Posted / edited by AnonymousUser on : 22-01-2018

Answers :

The knock sensor is located on the top of the engine toward the front. Best bet is to get the part first then you will know what to look for. It goes into a hole that is exposed to coolant. near the thermostat.
\015\012Generally a knock sensor code does not mean you have bad knock sensor. If the codes indicates open (high voltage)or short then it could be unplugged or failed internally.
\015\012A knock sensor code usually points to a pinging issue caused by bad fuel, try running 91 to see if the code goes away. Winter fuel is different than summer fuel.
\015\012Also clogged fuel injectors or a weak fuel pump could cause a knock sensor code. If you experience lack of power or pinging then the sensor is doing what it is programmed to do. Or if the van is running hotter than normal this could set a knck sensor code also because the hotter the engine is the less fuel is added and the more friction is created in the cylinders.
\015\012Also carbon buildup in the cylinders will cause pinging. A good fuel injection service will clean up the injectors if they are clogged and also clean the valves and cylinders.
\015\012You could try chevron techron additive with a full tank of chevron 91 to see if this helps. I would do this as my first choice not knowing what the code was you retrieved.
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