The 271-hp 3.2L Pentastar is a lightweight 24-valve DOHC V6. It's a pretty good engine but not without some minor issues. From the 2015 model year, it comes with Engine Stop-Start (ESS). The system includes a heavy-duty starter motor and a stronger battery.May 3, 20202014-2019 Jeep Cherokee: problems, 4WD system magic, engine ...
DIAGNOSIS AND REPAIR, MAINTENANCE, PARTS AND LABOR, SHOP OPERATIONS, TECHNICIAN'S REFERENCE, DIAGNOSTIC TROUBLE CODES(dtc), RELAYS AND MODULES, SENSORS AND SWITCHES,ENGINE, COOLING AND EXHAUST, POWERTRAIN MANAGEMENT, TRANSMISSION AND DRIVETRAIN, BRAKES AND TRACTION CONTROL, STARTING AND CHARGING, POWER AND GROUND DISTRIBUTION, STEERING AND SUSPENSION, HEATING AND AIR CONDITIONING, RESTRAINTS AND SAFETY SYSTEMS, ACCESSORIES AND OPTIONAL EQUIPMENT, BODY AND FRAME,CRUSIS CONTROL.