Owner Manual
Page 250
... another brand of this manual. The 4.7 HO engine is designed to 91. Light spark knock at high speeds can cause problems such as hard starting, stalling and hesitations. However, continued heavy spark knock at low engine speeds is permissible if desired. Poor quality gasoline can... cause damage and immediate service is not Engines recommended. The reasons for optimum performance. facturer recommends the use of 87...
... another brand of this manual. The 4.7 HO engine is designed to 91. Light spark knock at high speeds can cause problems such as hard starting, stalling and hesitations. However, continued heavy spark knock at low engine speeds is permissible if desired. Poor quality gasoline can... cause damage and immediate service is not Engines recommended. The reasons for optimum performance. facturer recommends the use of 87...
Owner Manual
Page 255
... contain high concentrations of the manufacturer. NOTE: Intentional tampering with emissions control systems can cause the catalytic converter to overheat. If spark knock persists, lighten the load, or engine piston damage may require immediate service. Fuel system damage or vehicle performance problems resulting from the use of these guidelines to help prevent...
... contain high concentrations of the manufacturer. NOTE: Intentional tampering with emissions control systems can cause the catalytic converter to overheat. If spark knock persists, lighten the load, or engine piston damage may require immediate service. Fuel system damage or vehicle performance problems resulting from the use of these guidelines to help prevent...