Checking idle speed and CO content
1. Be guided by the Head 16 or 23. Make sure the engine is warmed up to normal operating temperature and the ignition timing is properly adjusted. Also check that the crankcase ventilation system, EGR valve, catalyst and Lambda sensor are functioning correctly. The air filter element must also be in good condition.
Replacing the fuel filter on carbureted engines
2. Be guided Chapter 7.
Replacing the air filter element
3. Be guided Chapter 3.
Checking for leaks from the exhaust system
4. Position the vehicle over the inspection hole. Start the engine and set the idle speed, check for leaks from the exhaust system. Also check for signs of damage or severe corrosion, check the fastening of parts of the system.
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