The "Fuel Fail 12" code on a 1993 Jaguar XJ6 indicates a fault in the fuel system, specifically related to the fuel pump or its circuit. This could be due to a failed fuel pump, a blown fuse, wiring issues, or a malfunctioning fuel relay. It's important to diagnose the exact cause to ensure proper fuel delivery and engine performance. Checking the fuel pump operation and related electrical components is a good starting point.
Fuel Fail 47 Idle speed contol valve - coil 2: Open or short circuit.
VCM code fail 89 on a 1993 Jaguar typically indicates a problem with the vehicle's fuel system, specifically related to the fuel pressure or fuel delivery. This code can arise from issues such as a faulty fuel pump, clogged fuel filter, or problems with the fuel injectors. It's advisable to check the fuel system components and ensure they are functioning correctly to resolve this issue. A diagnostic tool can help pinpoint the exact problem for further troubleshooting.
It is the code for the TPS Throttle position sensor
In a 1993 Jaguar XJS, a "fail 14" code typically indicates a fault related to the vehicle's fuel system, specifically the fuel pump or fuel pressure. This code can suggest that the fuel pump is not operating correctly or that there is an issue with fuel delivery. It's important to diagnose the underlying problem, which may involve checking the fuel pump relay, wiring, and the pump itself to ensure proper operation. Always consult the vehicle's service manual or a professional mechanic for accurate troubleshooting.
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.
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.
Fuel Fail 37 is either a fault with the EGR Valve or its Solenoid
Evaporative canister purge control valve circuit fault
The fuel pump is in the fuel tank.
The fuel fail 89 VCM code on a 1990 Jaguar XJ6 indicates a problem with the vehicle's fuel management system, typically related to the Vehicle Control Module (VCM) detecting an issue with fuel delivery or engine performance. This could be due to several factors, including a faulty fuel pump, clogged fuel filter, or issues with the fuel injectors. It's essential to conduct a thorough diagnostic to identify and resolve the underlying issue to ensure optimal engine performance.