Retrieving codes – Equus 3145 - Digital Ford Code Reader (1981 - 1995) User Manual
Page 61
Retrieving Codes
FAULT CODE DEFINITIONS FOR EEC-IV SYSTEMS (181 - 216)
Chapter 4
58
TEST
CODE
CONDITION
FAULT CODE DEFINITION
181
C
(Trucks ONLY): HEGO (HO2S) sensor
fault unable to switch / lean during part
throttle
182
C
Fuel system at lean adaptive limit at idle /
system rich
183
C
Fuel system at rich adaptive limit at idle /
system lean
184
C
Mass Air Flow sensor above normal
185
C
Mass Air Flow sensor below normal
186
C
Fault in injector pulse width circuit / high
187
C
Fault in injector pulse width circuit / low
188
C
(Cars ONLY): Fuel system at lean adaptive
limit at partial throttle / system rich
188
C
(Trucks ONLY): HEGO (HO2S) sensor
fault unable to switch / rich during part
throttle
189
C
(Cars ONLY): Fuel system at rich adaptive
limit at partial throttle / system lean
189
C
(Trucks ONLY): HEGO (HO2S) sensor
fault unable to switch / lean during part
throttle
190
*
Adaptive fuel lean limit reached at “Idle,
system rich”
191
C
(Cars ONLY): Fuel system at lean adaptive
limit at idle / system rich
192
C
(Cars ONLY): Fuel system at rich adaptive
limit at idle / system lean
193
O
(Cars ONLY): Flexible fuel sensor circuit
fault
211
C
Profile Ignition Pickup (PIP) circuit fault
212
C
Loss of ignition diagnostic monitor
signal/SPOUT circuit grounded
213
R
SPOUT circuit open
214
C
Cylinder identification circuit failure
215
C
DIS fault ignition system - coil #1
216
C
DIS fault ignition system - coil #2
4