2013 Dodge Grand Caravan Cargo Owner Manual - Page 604

602 MAINTAINING YOUR VEHICLE Under normal operating conditions, the catalytic con- To minimize the possibility of catalytic converter damage: verter will not require maintenance. However, it is im- • Do not shut off the engine or interrupt the ignition, portant to keep the engine properly tuned to assure when the transmission is in gear and the vehicle is in proper catalyst operation and prevent possible catalyst motion. damage. • Do not try to start the engine by pushing or towing the NOTE: Intentional tampering with emissions control vehicle. systems can result in civil penalties being assessed • Do not idle the engine with any spark plug wires against you. disconnected or removed, such as when diagnostic In unusual situations involving grossly malfunctioning testing, or for prolonged periods during very rough engine operation, a scorching odor may suggest severe idle or malfunctioning operating conditions. and abnormal catalyst overheating. If this occurs, stop the vehicle, turn off the engine and allow it to cool. Service, including a tune-up to manufacturer's specifications, should be obtained immediately.