On a 1990 thru 1994 XJ6 it means the Idle Speed Control Valve (coil 2) has an open or short circuit
a problem with the throttle potentiometer
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.
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
Evaporative canister purge control valve circuit fault
description = throttle pot or associated wiring. function = looks for throttle pot resistance out of range.
Code fuel 1 would indicate Oxygen sensor. A good information source is the Haynes Manual Jaguar XJ6 1988-94. Good luck.
go to google and type in jaguar xj6 vcm codes. there will be a link that tells you how to reset the vcm.. Short and simple.. remove pass. kick panel (7) screws find a red connector with a single pink lead and turn key on.. Do not start.. ground out red connector for 3 sec. then turn key off for 10 sec. remove ground and your code should be cleared..
it means Pad NOT Pao YOUR BRAKE PADS ARE LOW.
Fuel Fail 37 is either a fault with the EGR Valve or its Solenoid
This indicates a fault with an electrical circuit (such as a blown fuse). On certain models, more information can be got from the Vehicle Condition Monitor (VCM) by pressing the vcm button on the dash.
VCM code Fuel Fail 26 on a Jaguar XJ6 typically indicates a problem related to the fuel supply or fuel system. This may involve issues such as low fuel pressure, a malfunctioning fuel pump, or problems with the fuel injectors. It's essential to diagnose the specific cause to address the issue effectively, which could involve checking fuel lines, filters, and electrical connections. Consulting a professional mechanic or service manual is recommended for accurate troubleshooting.
Idle speed control valve coil 1 fault. Off voltage not less than 0.85 volts or on voltage not exceeding 12.25 volts.