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CODE MEANING ACTION



1 - 8 Cylinder No (as code) low power Cylinder balance test


9 Pass Cylinder balance test


10 Cylinder No. 1 low Cylinder balance test


11 Cylinder No. 2 low Cylinder balance test


12 Cylinder No. 3 low Cylinder balance test


12 Cylinder No. 4 low Cylinder balance test


111 All systems OK


112 Low voltage air change temperature sensor (ACT) Normal operating temp not reached


113 High voltage air change temperature sensor (ACT) Normal operating temp not reached


114 Out of range voltage air change temperature sensor (ACT) Normal operating temp not reached


116 Out of range Engine coolant temperature sensor (ECT) Normal operating temp not reached


117 Low voltage Engine coolant temperature sensor (ECT) Normal operating temp not reached


118 High voltage Engine coolant temperature sensor (ECT) Normal operating temp not reached


121 Outside range throttle position sensor (TPS)


122 Low voltage throttle position sensor (TPS)


123 High voltage throttle position sensor (TPS)


124 Above spec throttle position sensor (TPS)


125 Below spec throttle position sensor (TPS)


126 MAP voltage above spec


128 MAP sensor/vacuum hose fault


129 MAF sensor, no MAF change during throttle depression Repeat self test proceedure


136 Lambda sensor (left) mixture lean


137 Lambda sensor (left) mixture rich


139 Lambda sensor (left)


144 Lambda sensor (right)


157 Low voltage mass air flow sensor (MAF)


158 HIGH voltage mass air flow sensor (MAF)


159 Outside range mass air flow sensor (MAF)


167 Throttle position sensor (TPS). No change during throttle depression Repeat self test procedure


171 Lambda sensor (right)


172 Lambda sensor (right) too lean


173 Lambda sensor (right) too rich


174 Lambda sensor (right) slow response


175 Lambda sensor (left)


176 Lambda sensor (left) too lean


177 Lambda sensor (left) too rich


178 Lambda sensor (left) slow response


179 Fuel system lean, part throttle


181 Fuel system rich, part throttle


182 Idle mixture too lean Idle speed control vale (ISC)


183 Idle mixture too rich Idle speed control vale (ISC)


184 Above spec manifold air flow sensor


185 Below spec manifold air flow sensor


186 Too long injection time pulse width


187 Too short injection time pulse width


188 Lambda sensor on left, mixture too lean (part throttle)


189 Lambda sensor on left, mixture too rich (part throttle)


191 Idle mixture too lean, left hand Lambda sensor Check EGR valve, check ISC valve


192 Idle mixture too rich, lright hand Lambda sensor Check EGR valve, check ISC valve


193 Flexible fuel sensor circuit


194 Lambda sensor


195 Lambda sensor


211 PIP signal


212 Tach, circuit, SPOUT grounded. SPOUT circuit, open circuit


213 Tach, circuit, SPOUT grounded. SPOUT circuit, open circuit


214 CID circuit failure


215 #1 Coil


216 #2 Coil


217 #3 Coil


218 Tachometer circuit


219 Spark timing default to 10 deg rectify SPOUT circuit


220 Tachometer circuit


221 Spark timing error


225 Knock sensor


226 EEC IV/EDIS module pulse


227 Engine speed/crankshaft position sensor (CPS)


228 EDIS module/ignition coil winding 1


229 EDIS module/ignition coil winding 2


231 EDIS module/ignition coil winding 3


232 Primary circuit of ignition coil (IGC)


233 EDIS module


234 Ignition Coil (IGC)


235 Ignition Coil (IGC)


236 Ignition Coil (IGC)


237 Ignition Coil (IGC)


238 EDIS module/ignition coil


239 PIP signal present when cranking


241 EEC IV/EDIS module, incorrect self test data Repeat self test procedure


243 Coil failure


244 Cylinder identification fault when power balance requested


311- 316 Pulse air/thermactar air system faulty


326 Electronic pressure transducer (EPT)/differential pressure feedback exhaust (DPFE) sensor


327 Electronic pressure transducer (EPT)/differential pressure feedback exhaust (DPFE) sensor/electronic vacuum regulator (EVR)


328 Electronic vacuum regulator (EVR)


332 EGR valve not opening


334 Electronic vacuum regulator


335 Electronic pressure transducer (EPT)/differential pressure feedback exhaust (DPFE) sensor


336 Exhaust pressure too high


337 Electronic pressure transducer (EPT)/differential pressure feedback exhaust (DPFE) sensor/electronic vacuum regulator (EVR)


338 Cooling System


339 Cooling System


341 Octane adjust (service multiplug) grounded Disconnect for self test, reconnect after



http://repair-manuals-download.jimdo.com/ford-fault-codes/




411 Engine speed during self test too low Cure induction leaks, repeat test

412 Engine speed during self test too low Cure induction leaks, repeat test

413 - 416 ISC valve Cure induction leaks, repeat test

452 Vehicle speed sensor

453 Servo leaking down

454 Servo leaking up

455 Insufficient RPM increase

456 Insufficient RPM decrease

457 - 458 Speed control fault

511 ROM fault battery disconnected, check KAM fuse. if OK module faulty

512 Keep alive memory (KAM) fault battery disconnected, check KAM fuse. if OK module faulty

513 EEC IV module reference voltage V

519 Power steering pressure switch (PSPS) not activated during self test Repeat test

521 Power steering pressure switch (PSPS) not activated during self test Repeat test

522 Neutral/drive switch (NDS)

525 Vehicle in gear or air conditioning on

528 Clutch switch error

536 Brake on/off (BOO) switch not activated during self test Repeat test

538 Operating error during self test. Air Conditioning switched on Repeat test

539 Operating error during self test. Air Conditioning switched on Repeat test

542 Fuel pump (FP) circuit failure

543 Fuel pump (FP) circuit failure

551 Idle speed control (ISC) circuit failure

552 Pulse air circuit failure

554 Fuel pressure regulator control circuit failure

556 Electrical circuit of fuel pump

557 Low speed fuel pump circuit

558 Electrical circuit of (EVR) electronic vacuum regulator

563 High speed electric drive fan relay/circuit (HEDF) failure

564 Electronic drive fan relay/circuit (EDF) failure

565 Canister purge solenoid (CANP)

566 3rd/4th gear solenoid (ATA)

573 Electronic drive fan relay/circuit (EDF) failure

574 High speed electronic drive fan relay/circuit (HEDF) failure

575 Fuel pump circuit and/or inertia switch circuit

576 Kick down switch (KDS) Repeat test

577 Kick down switch (KDS) not activated during self test Repeat test

583 Power to fuel pump fault

612 4/3 switch failed open circuit

613 4/3 switch failed open circuit

614 3/2 switch short circuit

615 3/2 switch failed short circuit

621 Shift solenoid 1 circuit failed

622 Shift solenoid 2 circuit failed

624 EPC solenoid failure

625 EPC solenoid circuit failure

628 MLUS Failure

629 Torque converter lock up clutch solenoid (LUS)

634 Neutral drive switch (NDS) circuit failure

635 Transmission temperature switch failure

637 Transmission temperature switch failure

639 TSS failure

645 1st gear failure

646 2nd gear failure

647 3rd gear failure

648 4th gear failure

649 ETV failure

651 ETV intermittent failure

652 MLUS circuit failure

653 Transmission control switch not activated during self test Repeat test

998 Fault in ECT/ACT/MAF/TPR circuit





R) = Engine Running test (M) = Memory code (O)=Key On Engine Off test



11 System OK



12



Idle Speed Control motor or Air Bypass not controlling idle properly (generally idle too low) - ISC



13


(O)


ISC did not respond properly (extends to touch throttle then retracts for KOEO) - ISC




®


Idle Speed Control motor or Air Bypass not controlling idle properly (generally idle too high)




(M)


ISC sticking, open ITS circuit or TP sticking



14



Ignition pickup (PIP) was erratic - Ignition Systems





E4OD Transmission diesel RPM sensor - Diesel RPM sensor



15


(O)


No Keep Alive Memory power to PCM pin 1 or bad PCM (Memory Test Failure)




(M)


KAM (pin 1) was interrupted (was battery disconnected ?)



16



1 9L & 2 5L - Throttle stop set too high - IDLE or Idle Set Procedures





2 3L - RPM's too low - IDLE




(O)


Electronic ignition - IDM circuit fault - Ignition Systems



17



1 9L & 2 5L - Throttle stop set too low - IDLE



18


®


Check base timing & advance function - Timing Tests




(M) Ignition TACH signal erratic - Ignition Systems





Spark Angle Word (SAW) circuit failure (1 9L SFI)



19


(O)


No Vehicle Power (pins 37 + 57) or bad PCM VPWR Diagnosis




®


Erratic idle during test (reset throttle & retest) - Idle Set Procedures





Electronic ignition Cylinder ID sensor/circuit problem - Ignition Systems



21



Engine Coolant Temperature (ECT) sensor out of range - ECT



22



MAP (vacuum) or BARO signal out of range - MAP



23



Throttle sensor out of range or throttle set too high - TPS



24



Intake Air Temperature (IAT) or Vane Air Temperature (VAT) sensor out of range - IAT VAT



25



Knock sensor not tested (ignore if not pinging) - KS



26



Mass Air Flow (MAF) or Vane Air Flow (VAF) out of range - MAF VAF





Transmission oil Temperature (TOT) sensor out of range, Transmissions



27



Vehicle Speed Sensor problem - VSS



28



Vane Air Temperature (VAT) sensor out of range - VAT





2 3L w/Electronic Ignition - Cyl ID, IDM low or right coil pack failure - Ignition Systems



29



Vehicle Speed Sensor problem - VSS



31


(O,R,M)


EVP - EVP signal is/was out of range - EVP




(O,R,M)


EVR - EVP signal is/was low - EVR




(O,R,M)


PFE - PFE signal is/was low - PFE



32


®


EVP - EGR not responding properly during test - EVP




(O,R,M)


EVR - EVP signal is/was low - EVR




(R,M)


PFE - PFE shows low pressure, EGR not seating or memory, not seating intermittently - PFE



33


(O,M)


ALL - EGR did not open/ respond during test or if memory code, did not open intermittently - EVP EVR PFE



34


®


EVP - EGR did not respond properly during test - EVP




(O,R,M)


EVR - EVP sensor is/was high - EVR




(O,R,M)


PFE - PFE sensor is/was out of range - PFE



35


®


EVP - Engine RPM's too low to test EGR system - EVP




(O,R,M)


EVR - EVP sensor signal is/was high - EVR




(O,R,M)


PFE - PFE sensor signal is/was high - PFE



38



Idle Tracking Switch signal was intermittent - ISC



39



Transmission Torque Converter clutch not engaging - Transmissions



41


®


System lean - Fuel control




(M)


System was lean for 15 seconds or more (no HO2S switching) - Fuel control



42


®


System rich - Fuel control




(M)


System was rich for 15 seconds or more (no HO2S switching) - Fuel control



43


®


HO2S sensor not reading (run at 2000 rpm's for 2 minutes and retest - check for HO2S switching)




(M)


Was lean at WOT for 3 seconds or more - Fuel control



44



AIR system inoperative - Air Injection



45



AIR not Diverting (AIRD) - Air Injection





Electronic Ignition - coil primary circuit failure - Ignition Systems



46



AIR Bypass (AIRB) not working - Air Injection





Electronic Ignition - primary circuit failure coil 2 - Ignition Systems



47



Low flow unmetered air (check for small vacuum leaks, injector o'rings, gaskets etc )





E4OD transmission 4x4 switch/circuit problem - Transmissions



48



High flow unmetered air (check for large vacuum leak, inlet hoses etc )





Electronic Ignition - coil primary circuit failure - Ignition Systems



49



Electronic Ignition - spout signal circuit problem - Ignition Systems





Transmission 1/2 shift problem - Transmissions



51



Engine Coolant Temperature (ECT) sensor signal is/was too high - ECT



52



Power Steering Pressure Switch/circuit open - PSP




®


Did you turn wheel during test ?



53



Throttle Position sensor too high - TPS



54



Intake Air Temperature (IAT) or Vane Air Temperature (VAT) signal high - IAT VAT



55



No or low (under 7 5 V) Key Power to PCM pin 5



56



Vane Air Flow (VAF) or Mass Air Flow (MAF) sensor high - VAF MAF





Transmission oil Temperature sensor too high - Transmissions



57



Intermittent in Park/Neutral/ Switch or Neutral Pressure switch circuit - PNP or Transmissions



58



Idle Tracking Switch (ITS) signal problem ISC





Vane Air Temperature (VAT) sensor out of range or open - VAT



59



AXOD 4/3 circuit fault - Transmissions





3 0L SHO - Low speed fuel pump circuit problem - Power / Fuel Pump Circuits





Transmission 2/3 shift problem - Transmissions



61



Engine Coolant Temperature (ECT) sensor is or was too low - ECT



62



AXOD (KOEO only) 3/2 circuit short to ground - Transmissions





AXOD (KOEO AND KOER) 4/3 circuit failure - Transmissions





E4OD excessive converter clutch slippage - Transmissions



63



Throttle Position Sensor (TPS) signal too low TPS



64



Intake Air Temperature (IAT) or Vane Air Temperature (VAT) signal low or grounded - IAT VAT



65



Check intermittent HO2S (signal or ground) - Fuel Control




®


E4OD truck - cycle OD cancel switch after engine ID is received - Transmissions





1984 3 8L ONLY - O, M Battery voltage high (check for electrical system overcharging)



66


Vane Air Flow (VAF) or Mass Air Flow (MAF) signal low - VAF MAF





Transmission oil Temperature (TOT) signal low (possibly grounded) - Transmissions



67



Park/Neutral circuit fault - PNP





Transmission Manual Lever Position (MLP) sensor circuit - Transmissions




(M)


Intermittent Park Neutral Position (PNP) sensor fault - PNP



68



Idle Tracking Switch (ITS) circuit (possibly grounded) - ISC





Vane Air Temperature (VAT) sensor out of range or grounded - VAT





3 8L AXOD -Transmission Temperature Switch (TTS) open - Transmissions





Electronic Transmission - Transmission Oil Temperature (TOT) sensor was overheated -Transmissions



69



AXOD transmission (O) 3/2 switch closed (possible short circuit) - Transmissions





AXOD (M) 3/2 switch open (poss short to power) - Transmissions





E4OD 3/4 shift problem - Transmissions



70


(M)


3 8L AXOD - Data link to instrument cluster fault service any other EEC codes, erase memory and retest If code is still present refer to instrument cluster diagnosis manual



71


(M)


1 9L TBI, 2 3L TBI, 2 5L TBI - ITS signal was grounded when throttle should have been opening ITS-ISC ISC motor problem or Idle Tracking Switch (ITS) signal wire shorted to ground - ISC




(M)


1 9L MFI - PCM re-initialized Possible electrical noise, case ground or intermittent VPWR problem - VPWR Diagnosis




(M)


3 8L AXOD - Data link to instrument cluster fault - See code 70



72


®


No MAP or MAF change in "goose" test - retest, check for frequency or voltage change - MAP MAF




(M)


1 9L MFI - VPWR circuit to PCM was intermittent - VPWR Diagnosis




(M)


2 3L T/C - PCM re-initialized Possible electrical noise, case ground or intermittent VPWR problem - VPWR Diagnosis




(M)


3 8L AXOD - Message center data link circuit fault - See code 70



73


(O)


Rerun test, if 73 is still output replace TPS




®


No Throttle Position Sensor (TPS) change in "goose" test Must get at least 25% throttle rotation - TPS



74



Was brake depressed after engine ID was received ?





Brake On Off (BOO) signal open or short to ground - BOO



75



Brake On Off (BOO) signal shorted to power - BOO



76



Vane Air Flow (VAF) did not respond to "goose" test - VAF



77



System did not receive "goose" test - see TESTS



78


(M)


VPWR circuit to PCM was intermittent or the PCM is bad VPWR Diagnosis



79



A/C is on or pin 10 is shorted to power



81



Boost control solenoid - Solenoids





AIRD solenoid - Solenoids and Air Injection





3 0L SHO - Inlet Air Solenoid - Solenoids



82



2 3L TC - Fan Control wire shorted to ground - A/C and Fan Circuits





AIRB solenoid - Solenoids and Air Injection





3 8L SC - Super Charger Bypass Solenoid - Solenoids



83



High Electro Drive Fan circuit fault - A/C and Fan Circuits





EGR Control solenoid - Solenoids





3 0L SHO - Low Speed Fuel Pump Relay circuit - Power / Fuel Pump Circuits



84



EGR Vacuum Regulator - Solenoids





EGR cutoff solenoid - Solenoids





EGR Vent solenoid - Solenoids



85



2 3L T/C Automatic - 3/4-4/3 Shift solenoid - Transmissions





CANP solenoid (ALL 1989) - Solenoids




(M)


1 9L MFI - System has corrected rich condition - Fuel control



86



2 3L or 2 9L Truck - A4LD 3/4 shift solenoid - Transmissions





(M) 1 9L MFI - System has corrected lean condition - Fuel control



87


(O)


Fuel pump circuit fault (check inertia switch) - Power / Fuel Pump Circuits





Vehicles with 2BBL carb - Temperature Compensated Accelerator Pump Solenoid - Solenoids (M) intermittent in fuel pump primary circuit - Power / Fuel Pump Circuits NOTE: On some Escorts with automatic seat belts this code is normal IN MEMORY due to the wiring



88



Throttle Kicker Solenoid - Solenoids





Variable Voltage Choke relay circuit fault - VVC





Fan Control circuit fault - A/C and Fan Circuits





A4LD - Converter Clutch Override solenoid - Transmissions





Electronic Ignition - IDM, DPI or spout circuit fault - Ignition Systems



89



A4LD - Converter Clutch Override solenoid - Transmissions





AXOD Torque Converter Control solenoid circuit - Transmissions





Exhaust Heat Control (heat riser) solenoid circuit - Solenoids



91 (R, M)


System running lean - Fuel control





Transmission SS 1 circuit/solenoid problem - Transmissions



92


®


System running rich - Fuel control





Transmission SS 2 circuit/solenoid problem - Transmissions



93


(O,R)


Throttle linkage binding or bad ISC motor ISC HO2S not reading Fuel control




Transmission TCC circuit/solenoid problem - Transmissions



94



AIR system inoperative - Air Injection





Transmission TCC circuit/solenoid problem - Transmissions



95


(O)


Fuel pump: open, bad ground or always on - Power / Fuel Pump Circuits




®


AIR not Diverting (AIRD) - Air Injection




(M)


Possible bad fuel pump ground or open between fuel pump and pin 8 at PCM (Fuel Pump Monitor signal) - Power / Fuel Pump Circuits



96


(O)


Fuel pump monitor circuit shows no power - Power / Fuel Pump Circuits




®


AIR Bypass (AIRB) not working - Air Injection




(M)


(service 87 code first if present) Fuel pump relay or battery power feed was open - Power / Fuel Pump Circuits



97



E4OD OD cancel light circuit failure - Transmissions



98


®


Did not pass KOEO yet (Get 11 in KOEO first)





Transmission EPC circuit/solenoid failure - Transmissions



99


®


ISC needs to learn (Let idle for 2 minutes, Erase memory and retest)




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