CERTAIN 2001 THROUGH 2005 ALL AMERICAN, COMMERCIAL SERIES, AND Q-BUS SCHOOL AND TRANSIT BUSES EQUIPPED WITH JOHN DEERE 8.1 CNG ENGINES. THE SUBJECT BUSES EQUIPPED WITH THE JOHN DEERE ENGINES MAY SURGE INAPPROPRIATELY DUE TO ERRACTIC OPERATION OF THE AIR THROTTLE IF THE ENGINE IS TAKEN FROM FULL TO ZERO LOAD.
RiskUNEXPECTED ENGINE SURGE COULD RESULT IN A VEHICLE CRASH, POSSIBLY RESULTING IN PERSONAL INJURY.
FixJOHN DEERE WILL NOTIFY BLUE BIRD'S CUSTOMERS AND REPAIR THE ENGINES FREE OF CHARGE. CUSTOMERS ARE BEING INSTRUCTED TO CONTACT JOHN DEERE AT 1-800-JD-ENGINE.