How can I tell if my Jaguar XJ6 is immobilised?

To find out if a car is immobilised, perform this check. Turn ignition on but do not crank the engine. Observe the orange ‘check engine’ light in the bottom left corner of the instrument pod. If that light goes out, the car is immobilsed, at least by the starter not cranking the engine if you try to start it.

How do you stop a Jaguar XJ6 Series III?

Very carefully, with a sharp, straight edged razor, I cut away the brittle, now hard as plastic, rubber boot that protected the top of the connector. There are two wires leading into this connector. After carefully removing the spring retaining clip, I lifted the connector slowly, causing the engine to cease.

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.

Why does my Jaguar XJ6 engine not start?

For a period of approximately a month, the engine became harder and harder to start, until one day, it wouldnt start at all. The engine would crank and eventually start at time though.

What kind of transmission does a Jaguar XJ6 have?

Jaguar XJ6 Service and Repair Manual 3261 Jaguar XJ6 Models covered Jaguar XJ6 models with 3.2 litre (3239 cc), 3.6 litre (3590 cc) & 4.0 litre (3980 cc) six-cylinder in-line dohc petrol engines and automatic transmission

Where can I get a new Jaguar XJ6?

Its no wonder we see so many excellent condition XJ6s sitting and rotting away in Jaguar Heaven (a Jaguar Wrecking and Parts yard in Stockton, CA). Even a local Jaguar mechanic confirmed this, by saying the dealer does not charge flat rates on these models anymore.

For a period of approximately a month, the engine became harder and harder to start, until one day, it wouldnt start at all. The engine would crank and eventually start at time though.

What to do if your Jaguar XJ6 won’t start?

If your XJ6 or XJ12 won’t start, grab your voltmeter and follow this checklist. Covers checking spark plugs, coil, wires and distributor cap, ballast resistor, amplifier and distributor pick-up, fuel supply, fuel pump and relay, air flow meter, fuel injectors and ECU.

What to do if your Jaguar has no spark?

If no spark, see step 3. If you DO have spark here then you have a faulty cap and/or rotor (spark is getting to the distributor cap but not getting to the sparkplugs). Remove the distributor cap and peek inside. Look for a burned center terminal, burned terminals to the plugs, cracks, or carbon tracks between the terminals.

Where is the Check Engine light on a Jaguar XJ6?

Observe the orange ‘check engine’ light in the bottom left corner of the instrument pod. If that light goes out, the car is immobilsed, at least by the starter not cranking the engine if you try to start it. The fact that other systems like wipers, lights, windows etc. will still work can confuse the issue.

What to do if your Jaguar does not start?

Take your transmission shifter and put it in the “N” position from “P” and try to start the car. The shifter selector switch has been known to wear out or out of adjustment causing a no start situation. If the car does not start put it back in “P” and check the inertia switch.

How do you get the ignition off a Jaguar XJ6?

Removal of the ignition barrel to free up the igntion switch is done by putting the key in and turning it to position ‘I’, and then pushing in the little detent pin on top of the outer barrel with a bent pointed tool. The lock barrel can then be pulled out, exposing the laterally moving part of the ignition switch.

Can a flat battery cause a Jaguar X300 to not start?

The immobiliser system is quite seperate to the key fob operated alarm system. Flat batteries in the key fob cannot result in loss of chip registration over minutes, days or weeks as the memory of the unique key / chip code is held within the security module.

What do you need to troubleshoot a Jaguar?

You will need basic hand tools, a 12-volt test light or voltmeter, and a jumper wire with alligator clips. I believe this info to be accurate for all 4.2 Series III cars, but the very earliest models have a combination relay instead of the separate pump relay, main relay, and diode pack.

Where does the power come from on a Jaguar?

3) If you don’t have spark at the coil wire-to-distributor cap, then check for power getting to the ignition coil. Power here comes directly from the ignition switch via a white wire. If you have a ballast resistor, the wire will go there first.

How to troubleshoot the fuel pump on a Jaguar?

Remove the relay plug-in socket and determine which terminal cavity corresponds to the white/green wire. This wire goes right to the fuel pump. Using your jumper wire apply 12 volts to this wire for just a moment (you are bypassing the somewhat tricky control portion of this circuit).

What kind of engine does a Jaguar XK have?

Jaguar XK 3.4L to 4.2L 1949 – 1994 DOHC inline six cylinder engine – From the ever popular D Type profile to the serious race profiles for purpose built classic race cars, we have anything you need. 278 Duration, 0.393″ lift. High torque road cam. 286 Duration, 0.376″ lift. Mild road performance, D Type profile. 292 Duration, 0.405″ lift.

Where is the critical relay on a Jaguar XJ6?

A critical relay is in the RH under-bonnet fusebox. This one switches the supply to the starter relay and ignition coils (via fuse 12), also the oxygen sensor heaters (via fuse 14). Whilst you’re in that fuse box, check the condition of fuses 6, 11, 12, 14. These carry supply current to various parts of the engine-management system.

How can I find out more about my Jaguar?

Order replacement owner literature, download the iGuide app, browse the digital handbook and view a selection of useful ‘how-to’ videos to help you get the most out of your Jaguar. Browse the digital handbook, optimised for PCs and mobile devices. A selection of videos to guide you through a range of exciting and useful features on your Jaguar.

Where is the fuse box located in a Jaguar?

3. Passenger compartment fuse box. The fuse box is accessed through the flap behind the rear centre armrest. 4. Secondary luggage compartment fuse box. CHANGING A FUSE Always turn off the ignition system and the affected electrical circuit, before replacing a fuse. Fit Jaguar approved replacement fuses of the same rating and type, or fuses of

Where is the fuel pump relay on a Jaguar XJ6?

You’ll find it in the fusebox in the boot. It’s a black relay on a red socket. I think it’s the third from the rear in the row of 4. Also worth a check is the relay in the RH heelboard fusebox which switches the supply to the OBD2 socket and fuel pump relay(via fuse 10).

Why does my Jaguar XJ6 not start when in Park?

Gently bend the microswitch operating arm so the gearlever closes the microswitch when in park (see picture). also check that the Tachometer needle moves when cranking, if not then could be the Crankshaft Sensor. Stuck out on front of the engine, this tends to fail with age but can give a no-spark condition at any time.

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