flaminfoster

I have a 92 camaro 305 TPI and getting a tdc 43. I have done some research and alot of people have had this problem. Has anyone fixed it? If so what did you do to fix it?

Kevin91Z

Code 43 is a knock sensor problem. Either the wire has come off the knock sensor on the bottom passenger side, or the knock sensor has failed somehow.

87BlackZ

I had this issue before and my motor went bad not too far in the future, make sure it is the sensor and you aren't getting any rod knock. I would also check your compression as well.

Since you are going to get a bunch of coolant out of the Knock Sensor hole, you might as well do a coolant flush as well.

Good luck!