Cylinder-specific misfire and rocker arm wear
POWER TRAIN, ENGINE
4 NHTSA complaints · 2020-09 → 2026-08
“My 2013 Jeep Grand Cherokee equipped with the 3.6L Pentastar v6 has a persistent cylinder 2 misfire (P0302). The cylinder 2 spark plug, ignition coil, and fuel injector have already been replaced, but the misfire continues. Diagnostic testing with a scan tool confirmed that”
“TL* THE CONTACT OWNS A 2013 JEEP GRAND CHEROKEE. THE CONTACT STATED WHILE DRIVING AT VARIOUS SPEEDS, AN ABNORMAL TICKING SOUND WAS HEARD COMING FROM ENGINE WITHOUT WARNING. THE CONTACT TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC WHERE THE VEHICLE WAS DIAGNOSED WITH A DEFECTIVE”