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1987 Volvo 240
● Keep your engine properly tuned. Certain engine malfunctions, particularly involving the electrical,
fuel or ignition systems, may cause unusually high converter temperatures. Do not continue to operate
your vehicle if you detect engine misfire, noticeable loss of power or other unusual operating
conditions, such as engine overheating or backfiring. A properly-tuned engine will help in avoiding
malfunctions that could damage the Catalytic Converter.
● Remember that tampering with or unauthorized modifications to the engine or the vehicle may be
illegal and can cause catalyst or exhaust system overheating. This includes:
Altering fuel injection settings or components.
Adjusting ignition timing beyond specified limits.
Altering emission system components or location or removing components.
Repeated use of leaded fuel.
● Do not park your car over combustible materials, such as grass or leaves, which can come into contact
with the hot exhaust system and cause such materials to ignite under certain wind and weather
conditions.
● Excessive starter cranking (in excess of one continuous minute) with an intermittently firing or
flooded engine, can cause catalyst or exhaust system overheating. This also applies to lengthy pushing or
towing of vehicle to start (manual transmissions only). Do not attempt to start a car with automatic
transmission by pushing or towing.
NOTE: Unleaded fuel is required for cars with catalytic converter. A label on the instrument
panel and rear fender, near the filler inlet, will remind owners and filling station attendant of this
requirement. Important! It is unlawful to dispense leaded fuel into any vehicle labeled "unleaded
gasoline only".
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