Cadillac TSB #PI-1178
2013 Cadillac ATS
Affected Component: ENGINE (PWS)
- Summary
- GM: THE ENGINE MAY RUN ROUGH WITH THE CHECK ENGINE LIGHT ON/LOW COMPRESSION ON CYLINDER MISFIRE. STORED DTC P0300. THIS MAY BE DUE TO A PISTON IN THE CYLINDER CRACKED BETWEEN THE PISTON COMPRESSION RINGS. *JS