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2-105 2 Troubleshooting Engines Problem: Engine Does Not Start (No Spark at Spark Plugs) Condition Remedy 1. Ground connections dirty — loose malfunctioning 4. Throttle/ignition monitor switch malfunctioning 5. Spark plugs fouled — damaged 7. ECU faulty 1. Check all ground connections — clean and tight control 4. Adjust throttle cable tension — replace throttle body assembly 5. Clean — replace spark plugs stepping motor operation 7. Replace ECU Problem: Engine Does Not Start (No Fuel at Cylinders) Condition Remedy 1. Gas tank empty 3. Gasoline contaminated 5. Fuel hose broken — pinched 9. ECU faulty 1. Fill tank or (on fuel rail - 660 turbo) 3. Replace gasoline wires 5. Replace — service hose components 9. Replace ECU |