DPMS556

I recently posted on here about my 2007 Tahoe Stabilitrak. After changing the hub the next day it developed a miss and my Stabilitrak turned off. After putting another hub on and changing a 50 dollar harness the problem was still there. As it turns out i just got really unlucky with the timing of the 2 problems, but its not my hub causing the codes. Cylinder number 1 has very low compression. Just wondering if anyone is familiar with this problem in a 5.3, and where i need to start to get it back on the road.

Dan

in2pro

It would be my guess that the head will need to be pulled off and inspected as it could be a valve seat or a valve not closing properly... It could be a ring issue but I suspect more likely a valve... just my .2¢