Question about Alfa Romeo 156
04433 code does not exist, check if the code is corresponding to one of the numbers listed below.
P0433 Heated Catalyst Efficiency Below Threshold (Bank 2)
Test O2 sensor and replace O2 sensor or Cat converter.
P0443 EVAP Emission Control System Purge Valve Circuit- Electrical Fault in Circuit
Replace the purge valve or repair wiring. Check also fuel tank cap and ensure you did not overfill.
Posted on Sep 02, 2010
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Posted on Jan 02, 2017
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