Taurus V6-195 3.2L DOHC SHO (1994)
Code 181 - 190: Testing and Inspection
184 - 189
NOTE
KOEO refers to Key On Engine Off (KOEO)
KOER refers to Key On Engine Running (KOER)
DTC refers to Diagnostic Trouble Code (DTC)
DTCs should be diagnosed in the order they are received.
DTC 184
Mass air flow higher than expected.
KOEO Memory Code ................................................................................................................................................................................. Go to G7
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/G - In-Range MAF/TPS/Fuel Injector Pulse
Width Test/G7 - Visually Inspect MAF Sensor
DTC 185
Mass air flow lower than expected.
KOEO Memory Code ................................................................................................................................................................................. Go to G7
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/G - In-Range MAF/TPS/Fuel Injector Pulse
Width Test/G7 - Visually Inspect MAF Sensor
DTC 186
Injector pulsewidth higher than expected or mass airflow sensor lower than expected.
KOEO Memory Code ................................................................................................................................................................................. Go to G9
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/G - In-Range MAF/TPS/Fuel Injector Pulse
Width Test/G9 - Visual Vacuum Checks
DTC 187
Injector pulsewidth lower than expected or Mass air flow higher than expected.
KOEO Memory Code ................................................................................................................................................................................. Go to G9
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/G - In-Range MAF/TPS/Fuel Injector Pulse
Width Test/G9 - Visual Vacuum Checks
DTC 188
Fuel system at lean adaptive limit at part throttle, system rich (bank #2).
KOEO Memory Code ............................................................................................................................................................................... Go to HA1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/HA - Adaptive Fuel/HA1 - Check For Other
Codes
DTC 189
Fuel system at rich adaptive limit at part throttle, system lean (bank #2).
KOEO Memory Code ............................................................................................................................................................................... Go to HA1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/HA - Adaptive Fuel/HA1 - Check For Other
Codes
DTC 193
Flexible Fuel sensor circuit failure.
KOEO Hard Code .................................................................................................................................................................................... Go to DE1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/DE - Flexible Fuel (FF) Sensor/DE1 -
KOEO Code 193: Check FF Sensor VPWR Circuit
DTC 194
KOEO Memory Code ................................................................................................................................................................................. Go to H5
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/H - Fuel Control/H5 - Cylinder Balance
Diagnostic Test Mode: MFI Engines
DTC 195
