mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Code 311 - 320, ( 312 313 314 315 316 317 318 319 ) > < Code 241 - 250, ( 242 243 244 245 246 247 248 249 )|System Diagnosis
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KOER Hard Code ....................................................................................................................................................................................  Go to KC1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/KC - Secondary Air Injection
Solenoids/KC1 - Visually Inspect Vacuum Hoses

DTC 312

Secondary air injection system misdirected during KOER self-test.

KOER Hard Code ....................................................................................................................................................................................  Go to KC1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/KC - Secondary Air Injection
Solenoids/KC1 - Visually Inspect Vacuum Hoses

DTC 313

Secondary air injection system not bypassed during KOER self-test.

KOER Hard Code ....................................................................................................................................................................................  Go to KC1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/KC - Secondary Air Injection
Solenoids/KC1 - Visually Inspect Vacuum Hoses

DTC 314

Secondary air injection system system inoperative during KOER self-test (bank #2)

KOER Hard Code ....................................................................................................................................................................................  Go to KC1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/KC - Secondary Air Injection
Solenoids/KC1 - Visually Inspect Vacuum Hoses

DTC 326

Exhaust gas recirculation valve pressure sensor circuit voltage lower than expected.

KOER Hard Code ...................................................................................................................................................................................  Go to DL22
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/DL - PFE/DPFE Sensor; EVR Solenoid
Testing/DL22 - Check PFE/DPFE Sensor Pressure Input Hose For Blockage

Code 311 - 320, ( 312 313 314 315 316 317 318 319 ) > < Code 241 - 250, ( 242 243 244 245 246 247 248 249 )|System Diagnosis