03 Chevy Trailblazer help replaced the camshaft position sensor

Question

Vehicle seems to start and run fine.It stalled when coming to a stop about a week ago but started right up and hasn't done it since.

Answer 1

Did the MIL light came on ??

As you said it stalled when came to stop this is a signal of bad power break diaphram-or bad break padel seal-there is an air came from power break system to inlet vacuum system.

 

Try to stop the car with side break without using the normal break and see if the engine behaive diffrent.

Good Luck