Fuel Fail 47 Idle speed contol valve - coil 2: Open or short circuit.
It is the code for the TPS Throttle position sensor
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.
This means Idle speed control motor (ISC) or valve
Idle speed control valve coil 1 fault. Off voltage not less than 0.85 volts or on voltage not exceeding 12.25 volts.
Evaporative canister purge control valve circuit fault
low battery. had battery tested load type. faild replaced battery fix code 29 thank you
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
Fault code FF17 on a 1993 Jaguar XJS typically indicates an issue with the engine management system, specifically related to the fuel mixture or oxygen sensor readings. This code often points to a problem with the air-fuel ratio, which can affect engine performance and emissions. It’s advisable to check the oxygen sensors and the fuel injection system to diagnose and resolve the issue. Always refer to the vehicle’s service manual for specific troubleshooting steps.
a problem with the throttle potentiometer
mass air flow bad
o2 sensor fuel too rich
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