Civic L4-1590cc 1.6L SOHC (VTEC) (1992)
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Catalytic Converter: Testing and Inspection
Catalytic Converter For 16 Valve Engine (except 16 Valve VTEC-E)
If excessive exhaust system back-pressure is suspected or if tail-pipe emissions are too high (while all other systems check OK), remove the catalytic
converter from the car and make a visual check for plugging, melting or cracking of the ceramic grid inside. If any of the visible areas are damaged,
replace the catalytic converter.