mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

P0455 - P0459, ( P0456 P0457 P0458 0455 0456 0457 0458 0459 ) > < P0442 ( P 0442 )
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P0440 - P0444: Testing and Inspection
P0443 ( P 0443 )

For diagnosis of P0443 refer to the system experiencing the problem.

Computers and Control Systems

For Key On Engine Off (KOEO) and Key On Engine Running (KOER) Codes
Refer to pinpoint test HX11. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/HX - Evaporative
Emission (EVAP) Monitor and System/HX11 - HX15

For Continuous Memory Code
Refer to HX10. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/HX - Evaporative Emission
(EVAP) Monitor and System/HX8 - HX10

For complete Engine Control diagnostic information, See: Powertrain Management/Computers and Control Systems/Testing and Inspection

Emission Control System

For complete Evaporative Emissions diagnostic information, See: Powertrain Management/Emission Control Systems/Evaporative Emissions
System/Testing and Inspection

P0455 - P0459, ( P0456 P0457 P0458 0455 0456 0457 0458 0459 ) > < P0442 ( P 0442 )