Troubleshooting Symptom Problem Solution Engine overheats Engine overloaded. Reduce load. Low coolant level. Fill radiator to proper level, check radiator and hoses for loose connections or leaks. Faulty radiator cap. Have technician check. Stretched poly-vee belt or defective Check automatic belt tensioner and belt tensioner. check belts for stretching. Replace as required. Low engine oil level. Check oil level. Add oil as required. Cooling system needs flushing. Flush cooling system. Defective thermostat. Remove and check thermostat. Defective temperature gauge or Check coolant temperature with sender. thermometer and replace, if necessary. Incorrect grade of fuel.
Use correct grade of fuel. High fuel consumption Improper type of fuel. Use proper type of fuel. Clogged or dirty air cleaner. Service air cleaner. Engine overloaded. Reduce load. Improper valve clearance. See your authorized servicing dealer or engine distributor. Injection nozzles dirty. See your authorized servicing dealer or engine distributor. Electronic fuel system problem See your authorized servicing dealer or engine distributor. Defective turbocharger. See your authorized servicing dealer or engine distributor. Low engine temperature. Check thermostat. Continued on next page RG,RG34710,5608 –19–28MAR03–6/8 45-15 021604 PN=209