Change oil and oil filter. Check air filter and breather filter. Check all fluid levels and tire pressures.
TECHNICIAN ROAD TESTED VEHICLE WITH DIAGNOSTIC SCAN TOOL PLUGGED INTO VEHICLE. DURING ROAD TEST SCAN TOOL READ 1 MISFIRE COMING CYLINDER #4. TECH ALSO NOTICED A PULSATION FROM FRONT BRAKE ROTORS WHILE BRAKING. SPOKE TO CUSTOMER REGARDING CONCERNS, CUSTOMER APPROVED REPLACEMENT OF SPARK PLUG AND IGNITION COIL IN CYLINDER #4.