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2.3L PFI Service Code Definitions: Mustang

PFI SERVICE CODE DEFINITIONS

Service Code Test Condition(s) Definition
111 KOEO/KOER/CONTINUOUS System Pass
112 KOEO/CONTINUOUS ACT Sensor Circuit Low Voltage
113 KOEO/CONTINUOUS ACT Sensor Circuit High Voltage
114 KOEO/KOER ACT Sensor High Or Low
116 KOEO/KOER ECT Sensor High Or Low
117 KOEO/CONTINUOUS ECT Sensor Circuit Low Voltage
118 KOEO/CONTINUOUS ECT Sensor Circuit High Voltage
121 KOEO/KOER/CONTINUOUS Closed Throttle Voltage High Or Low
122 KOEOc TP Sensor Circuit Low Voltage
123 KOEOc TP Sensor Circuit High Voltage
124 CONTINUOUS TP Sensor Voltage High
125 CONTINUOUS TP Sensor Voltage Low
126 KOEO/KOER/CONTINUOUS BP Sensor High Or Low
129 KOER Insufficient MAF Change During Dynamic Response Test
144 CONTINUOUS No HO2S Switches Detected
157 CONTINUOUS MAF Sensor Circuit Low Voltage
158 KOEO/CONTINUOUS MAF Sensor Circuit High Voltage
159 KOEO/KOER MAF Sensor High Or Low
167 KOER Insufficient TP Change During Dynamic Response Test
171 CONTINUOUS Fuel System At Adaptive Limits, HO2S Unable To Switch
172 KOER/CONTINUOUS Lack Of HO2S Switches, Lean
173 KOER/CONTINUOUS Lack Of HO2S Switches, Rich
179 CONTINUOUS Fuel System At Lean Limit At Part Throttle, System Rich
181 CONTINUOUS Fuel System At Rich Limit At Part Throttle, System Lean
182 CONTINUOUS Fuel System At Lean Limit At Idle, System Rich
183 CONTINUOUS Fuel System At Rich Limit At Idle, System Lean
184 CONTINUOUS MAF High
185 CONTINUOUS MAF Low
186 CONTINUOUS Injector Pulse Width High
187 CONTINUOUS Injector Pulse Width Low
211 CONTINUOUS PIP Circuit Fault
212 CONTINUOUS Loss Of IDM Input/SPOUT Circuit Grounded
213 KOER SPOUT Circuit Open
214 CONTINUOUS CID Circuit Failure
215 CONTINUOUS Coil 1 Primary Circuit Failure
216 CONTINUOUS Coil 2 Primary Circuit Failure
218 CONTINUOUS Loss Of IDM Signal, Left Side
222 CONTINUOUS Loss Of IDM Signal, Right Side
223 CONTINUOUS Loss Of DPI Control
224 CONTINUOUS Erratic IDM Input
225 KOER Knock Not Sensed During Dynamic Response Test
327 KOEO/KOER/CONTINUOUS EVP Circuit Low Voltage
328 KOEO/KOER/CONTINUOUS EGR Closed Valve Voltage Low
332 KOER/CONTINUOUS Insufficient EGR Flow
334 KOEO/KOER/CONTINUOUS EGR Closed Valve Voltage High
337 KOEO/KOER/CONTINUOUS EVP Circuit Voltage High
341 KOEO Octane Adjust Service Pin In Use
411 KOER Cannot Control RPM During KOER Low RPM Check
412 KOER Cannot Control RPM During KOER High RPM Check
452 CONTINUOUS Insufficient Input From VSS
511 KOEO ECC ROM Test Failure
512 CONTINUOUS ECC KAM Test Failure
519 KOEO PSPS Circuit Open
521 KOER PSPS Circuit Did Not Change
522 KOEO Vehicle Not In Park Or Neutral During KOEO Test
528 CONTINUOUS Clutch Switch Circuit Failure
536 KOER/CONTINUOUS BOO Circuit Failure/Not Actuated During KOER Test
538 KOER Insufficient RPM Change During Dynamic Response Test
539 KOEO A/C On/Defrost On During KOEO Test
542 KOEO/CONTINUOUS Fuel Pump Secondary Circuit Failure
543 KOEO/CONTINUOUS Fuel Pump Secondary Circuit Failure
556 KOEO/CONTINUOUS Fuel Pump Relay Primary Circuit Failure
558 KOEO EVR Circuit Failure
564 KOEO EDF Circuit Failure
565 KOEO CANP Circuit Failure
566 KOEO 3-4 Shift Solenoid Circuit Failure
629 KOEO Converter Clutch Control Circuit Failure
998 KOER Hard Fault Present - FMEM Mode