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# Fault Codes # 1 ...oxy sensor open circuit. 2 airflow sensor out of operating range 3 coolant temp sensor out of operating range 4 oxy sensor indicates full rich 5 throttle potentiometer/airflow sensor... (low throttle pot signal with high airflow sensor signal) 6 throttle pot/airflow sensor...... (high throttle pot signal with low airflow sensor signal) 7 throttle pot...idle fuel adjustment failure(idle speed??) 8 intake air temp sensor...open or shorted circuit to sensor 11 Throttle pot at idle: Throttle pot idle trim out of normal range 12 Airflow meter: MAF signal out of range 14 Coolant thermistor: Resistance out of range or static during engine warm up 16 Air thermistor: Resistance out of range 17 Throttle pot: Out of range 18 Throttle pot/Airflow: Low throttle pot signal at high airflow 19 Throttle pot/Airflow: High throttle pot signal at low airflow 22 Fuel pump drive: ECU output to fuel pump relay 23 Fuel supply: Engine running too rich 24 Ignition Drive: ECU output to ignition Amp 26 Air leak: Engine running too lean 29 ECU self check 33 Injector Drive: ECU output to injectors 34 Injector: Looks for Injector dribble 37 EGR Drive: ECU output to EGR switching valve 39 EGR check sensor: EGR not working (normally pipe blocked) 44 Lambda (O2) sensor: Poor mixture control rich or weak (or misfire) 46 Idle speed Control valve: ECU output to Coil AB 47 Idle speed Control valve: ECU output to Coil CD 48 Idle Speed Control Valve: Stepper motor grossly out of position 66 Air pump: ECU output to air pump relay 68 Road speed sensor: Seen speed < 5km/h at high engine airflow 69 Drive/Neutral switch: Seen cranking in "D" or high airflow in "N" 89 Purge Valve drive: ECU output to purge valve
this is all I could find
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∙ 15y ago
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What does fuel fail 22 mean on a 1990 jaguar xj6?
Ignition Amplifier Failure
What does fuel fail 17 mean on a Jaguar?
It is the code for the TPS Throttle position sensor
What does a Fuel Fail 47 code mean on a 1993 Jaguar XJ6?
Fuel Fail 47 Idle speed contol valve - coil 2: Open or short circuit.
What does fuel fail 39 mean 91 Jaguar?
Fuel fail 39. EGR circuit. Faulty system operation. Is on my 90 xj6 as well- going to take EGR valve off and clean it- see what happens.
1991 Jaguar XJ6 VCM fault code 89 fuel fail what does it mean?
Evaporative canister purge control valve circuit fault
What does Fail Safe Engine Mode mean on 2000 Jaguar XK8?
what does fail safe engine mode mean on a 2000 jaguar s type? how to fix this problem?handle
What does Fuel 44 Fail 44 VCM mean on 1994 Jaguar XJ6 Handbook is no help?
fuel 44 is heated oxygen sencer bank A other term lambda senser the jag has two.
What does VCM code fuel 44 fail 44 mean on 1993 jaguar xj6?
In 1990-1994 XJ6 the VCM Code 44 is the code for the O2 sensor, either rich or lean exhaust has been detected and is causing the code to trigger. It could indicate a bad O2 sensor.
What does the vcm code fuel 1 mean in jaquar 1990 xj6?
Code fuel 1 would indicate Oxygen sensor. A good information source is the Haynes Manual Jaguar XJ6 1988-94. Good luck.
1991 Jaguar XJ6 VCM fault code 69 fuel fail what does it mean?
I own a 91' XJ6 also and i believe when that code comes up it is as simple as your gas cap not being on all the way
What does fail fuel 66 mean in your 1993 xj6?
code42
What does the fuel 22 fail code mean for a 92 Jaguar Sovereign?
IT means the cruise control hose is letting in air its located were the throttle is you will see a round ball {black} may need replacing and computer reboot
