it sounds like the crank shaft position sensor located on the tranny u can get one at a local car parts place than use it to search on transmission for part.
should be on the exhaust manifold
Your 1999 Chevy blazer doesn't have a timing belt.
NO. there 2 different things / sensors.
We replaced the temperature gauge in my 1991 Chevy blazer what is the normal operating temp?
it should be on top of the engine on the passenger side.
I am looking in to a problem like this and I think it may also be the Cam sensor. Just a Guess but this might be some thing that should be done at about the same time.
The crank shaft positioning sensor should be located at the front of the engine just below and to the left of the harmonic balancer. On the timing cover.
Try disconnecting the battery for 20 minutes. This should put the computers into a reset mode. www.trailvoy.com The Trailblazer/Envoy enthusiasts forum with all the answers!
Yes it can hurt your engine to drive with a bad knock sensor. The knock sensor should be replaced as soon as possible.
The oxygen sensor is "done". It should be replaced.
If your vehicle has a bad sensor the check engine light will come on. Otherwise they should be replaced as recommended by your service manual.