EGR vacuum solenoid circuit fault
it means that what ever is telling you this error code has a problem because there is no Jaguar error code P160A.
fauit code p1111
Fuel Fail 47 Idle speed contol valve - coil 2: Open or short circuit.
Evap Leak
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.
It is the code for the TPS Throttle position sensor
trouble code P0420 means: Catalyst Efficiency Low - A Bank
Idle speed control valve coil 1 fault. Off voltage not less than 0.85 volts or on voltage not exceeding 12.25 volts.
left rear abs sensor problem
P1775 is oxygen senson open circuit. Craig
{| |- | Idle air control valve. Looks for stepper wildly out with hot or cold(<30degC) engine. Probably a sticky stepper motor, but cleaning mmay help. Chris, www.kwecars.com |}
Trouble code P1000 means: OBD System Check Not Complete Since Last Memory Clear