Where is the fuel pump on a 1978 Jaguar XJ6?
On the 1978 XJ6 there is one fuel pump in the bottom of the trunk, on earlier versions, there used to be two fuel pumps, one for each tank. There is a switch on the dashboard, where you select which tank you want to pump from, the left tank, or the right tank.
Where are the return valves on the XJ6?
The return valves are located in the rear wheel wells behind semi-rectangular sheet metal covers. Turn the key “on”, select the right tank, and using your test light check for voltage at the white/purple wire for each valve. Your light should show 12 volts at all three valves. Now, select the left tank and make the same voltage tests.
What kind of engine does a Jaguar XJ6 have?
The local mechanic Donnie Taylor, had done several engine swaps, where he replaced the Jaguar engine with either a Chevrolet Monte Carlo engine, or a Corvette engine. My father told the mechanic Donnie Taylor, to look for a good used Jaguar XJ6 for sale, to go and perform an inspection, and to bring it back if it was a good car.
Why does my Jaguar XJ6 not start up?
About half of the time, the reason why the Jaguar XJ6 will not start or quits running is because of the two main electrical problems that I described above. The other cause of the XJ6 not starting or quits running is the fuel system. Mostly, it is the fuel pump being killed by rust flakes from the two fuel tanks.
On the 1978 XJ6 there is one fuel pump in the bottom of the trunk, on earlier versions, there used to be two fuel pumps, one for each tank. There is a switch on the dashboard, where you select which tank you want to pump from, the left tank, or the right tank.
How do you remove the fuel tank from a Jaguar XJ6?
When this happens, drain the fuel tank and remove it from your XJ6 so that you can clean the tank properly and restore it to full function. Disconnect the negative terminal of the battery and set it aside. Use a car jack to lift up your vehicle. Place jack stands under each wheel to ensure safety.
Where is the drain plug on a Jaguar XJ6?
Place jack stands under each wheel to ensure safety. Remove the fuel-filling cap to release any pressure in the fuel tank. This is the cap that you remove when you are putting gas into your vehicle. Locate the drain plug on the bottom of the fuel tank.
The return valves are located in the rear wheel wells behind semi-rectangular sheet metal covers. Turn the key “on”, select the right tank, and using your test light check for voltage at the white/purple wire for each valve. Your light should show 12 volts at all three valves. Now, select the left tank and make the same voltage tests.
What happens if a fuel pump goes bad in a Jaguar?
Thus, keeping a regular tab on these components is highly essential to avoid being stranded or stalled in traffic. If you face any issues with your Jaguar fuel pump or notice anything strange within it, do not hesitate to consult an Expert as running your car with a faulty pump can cause huge internal damage.
What causes the fuel regulator on a Jaguar XKR to fail?
What could cause the fuel regulator on a Jaguar XKR to fail constantly despite changing the fuel pump? A faulty fuel pump drive module could likely cause this issue. Inspect the fuel pump driver module for a proper signal from the ECM. Then, check the signal flow from the module to the pump.
About half of the time, the reason why the Jaguar XJ6 will not start or quits running is because of the two main electrical problems that I described above. The other cause of the XJ6 not starting or quits running is the fuel system. Mostly, it is the fuel pump being killed by rust flakes from the two fuel tanks.
What could cause the fuel regulator on a Jaguar XKR to fail constantly despite changing the fuel pump? A faulty fuel pump drive module could likely cause this issue. Inspect the fuel pump driver module for a proper signal from the ECM. Then, check the signal flow from the module to the pump.
Thus, keeping a regular tab on these components is highly essential to avoid being stranded or stalled in traffic. If you face any issues with your Jaguar fuel pump or notice anything strange within it, do not hesitate to consult an Expert as running your car with a faulty pump can cause huge internal damage.
How to drain fuel tanks on Jaguar XJ6?
It’s a common Jaguar problem for the fuel tanks to rust from the inside and shed rust particles into the fuel. It’s a good idea to drain the fuel tanks when replacing the fuel filters. Jaguar XJ6 Series 3 1. Fuel Drain Valve Gasket https://bit.ly/2KVYO0V 2. Quick Drain Valve https://goo.gl/Z78ad6 2. Ratchet 3. Phillips Screwdriver 4.
Where is the drain plug in a fuel tank?
Locate the drain plug on the bottom of the fuel tank. Place a large bin under it that can hold the gasoline that is currently in the tank. Remove the drain plug by rotating it counterclockwise.
What kind of fuel system does a 6 cylinder car have?
This information specifically applies to Series III 6 cylinder cars but may also be applicable to the later Series II models with fuel injection as well as fuel injected 12 cylinder cars. The fuel system uses three solenoid operated valves to direct fuel.
The local mechanic Donnie Taylor, had done several engine swaps, where he replaced the Jaguar engine with either a Chevrolet Monte Carlo engine, or a Corvette engine. My father told the mechanic Donnie Taylor, to look for a good used Jaguar XJ6 for sale, to go and perform an inspection, and to bring it back if it was a good car.
Where did the Jaguar XJ6 come from in Florida?
This is a typical story: In the small town in Florida where I was from, my mother, father, and sister had seen advertisements for Jaguars in magazines like Architectural Digest, Vogue, and Cosmopolitan. In driving to Daytona, Orlando, Jacksonville, or Miami, you would see Jaguars.
Where does the gas come from in a Jaguar XJ6?
The fuel tank, as its name implies, is where the gas in a Jaguar XJ6 is stored. There are many components of a fuel tank, including the sensor that monitors how close you are to empty. Over time, the tank can rust or the valves that supply the tank can clog.
How do you remove the fuel tank from a Jaguar?
Remove the three bolts that secure the fuel filler assembly. Slide the rubber boot down the neck of the fuel tank. Remove the spare tire from your vehicle and remove the spare tire mount by removing the three bolts that secure it to the body of the vehicle.
How does the fuel pump work on a JAG?
There is an air flap inside the AFM which, when moved by engine vacuum as the engine starts, closes a micro-switch inside the AFM and powers up the fuel pump circuit. With the key “on”, check for voltage into the AFM at the brown/slate wire.
Where is the fuel pump located on a twelve cylinder car?
Twelve cylinder cars, by the way, are wired differently. The diode pack is mounted on the firewall and is easily identified by it’s all-red color. The fuel pump relay is normally mounted right next to the diode pack but I’ve seen a couple of cars where the pump relay and the main relay have been flip-flopped.
How to start a fuel pump in a Jaguar?
10) Remove the air duct from the front of the Air Flow Meter (AFM). With the key “on”, move the air flap which is inside the housing of the AFM. This movement closes a switch inside the AFM and powers up the fuel pump circuit. You should get fuel in your container or a 34 PSI reading on your gauge.
There is an air flap inside the AFM which, when moved by engine vacuum as the engine starts, closes a micro-switch inside the AFM and powers up the fuel pump circuit. With the key “on”, check for voltage into the AFM at the brown/slate wire.
What was the original price of a Jaguar XJ6?
I looked through the paper work in the glove compartment, the initial purchase price was $19,000 in 1978. I believe that Donnie Taylor got this car for $6,500 to $8,000, which is tremendous depreciation in four years.
When this happens, drain the fuel tank and remove it from your XJ6 so that you can clean the tank properly and restore it to full function. Disconnect the negative terminal of the battery and set it aside. Use a car jack to lift up your vehicle. Place jack stands under each wheel to ensure safety.
Place jack stands under each wheel to ensure safety. Remove the fuel-filling cap to release any pressure in the fuel tank. This is the cap that you remove when you are putting gas into your vehicle. Locate the drain plug on the bottom of the fuel tank.
Why is my fuel pump not working properly?
There may be various reasons for a malfunctioning fuel pump. Issues with the fuel system of a vehicle can be frustrating to no end. Sometimes, even after installing a new pump, the fuel system will not perform up to its standard. In such cases, the new pump is often blamed for not rectifying the issue.
What happens if the screen on the fuel pump is clogged?
The screen at the bottom of the fuel pump is the first line of defense against debris from the tank. If the screen filter is clogged, the flow of fuel will be reduced or even stopped. The filter should be cleaned or replaced, if needed. A clogged screen filter will cause your vehicle to struggle while starting.