My car died yesterday getting on the freeway and would try to refire, but would stumble for a few seconds and die. I call the tow truck and the dealer and set it all up, go back to the car and try to start it for grins, and it starts right up. I drive to the dealer and they put a scanner on it for free (thanks Hamilton Chev) and show me the code for crank position sensor.

I drive it home and do a search and find the thread explaining that this is not an uncommon failure mode, but I cannot find any info about actually changing it out other than it is between the oil filter and the starter and that the starter needs to come out. Anyone else have any info or suggestions before I tear into it? Thanks

 

The only thing I can offer on this is that it took my dealer 4 hours to replace the part on my car. Same thing happened to me. You're going to have to go back to the dealer anyway to have the crank position re-learned. You may as well have them replace it for you. It should be done under warranty for sure.

 

No warranty, and does anybody know the relearn process? I have access to a GM Tech 2 Scanner if somebody can tell me how