Why is my Jaguar XJ6 Series III not starting?

Why is my Jaguar XJ6 Series III not starting?

In an early incidence, trying to ascertain my no-start problem, I found the Temperature Sensor on the top of the water manifold to have a defective connection. While the car was running, I fiddled with various wire connections to see if a bad electrical connection elsewhere was the culprit.

What is the fuel cut off switch on a Jaguar XJ6?

If the system is set to the lowest temperature and the fan is on ” HIGH ” it is not likely that the flap will close. The Series III XJ6 came with an inertia operated fuel cut off switch that will cut off the fuel pump in case of an accident that created enough impact to trigger it.

Where are the wires on a Jaguar XJ6?

Shorted or broken wires on this loom is not uncommon, as the locations of these few wires are located under the water manifold and right next to the engine. This is obviously a place where engine heat is trapped and can run very high.

When did the Jaguar XJ6 series 2 come out?

Commonly referred to as the “Series II”, the XJ line received a facelift in Autumn 1973 for the 1974 model year. The 4.2 L XJ6 straight-6 engine (most popular in the United Kingdom) and the 5.3 L V12 XJ12 were continued with an addition of a 3.4 L (3,442 cc (210.0 cu in)) version of the XK engine available from 1975.

What kind of engine does a Jaguar XJ6 have?

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

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.

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.

Shorted or broken wires on this loom is not uncommon, as the locations of these few wires are located under the water manifold and right next to the engine. This is obviously a place where engine heat is trapped and can run very high.

How to troubleshoot XJ Series III power window circuit?

Checklist for inspection and repair of the XJ Series III power window circuits and relays. “My right side front door window came out of the track resulting in it jamming. After a few cycles of trying to free it up by alternate up and down selections on the switch, something clicked and there was no more power to the switch.

What was the purpose of the Jaguar XJ Series III?

Not surprising, since all of these cars were sold with an XJ6 badge on them. The Series III was originally intended as a stop-gap model; something to keep the wolves from the door while the replacement for the original (then 10-year-old design) was designed and built.

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.

Checklist for inspection and repair of the XJ Series III power window circuits and relays. “My right side front door window came out of the track resulting in it jamming. After a few cycles of trying to free it up by alternate up and down selections on the switch, something clicked and there was no more power to the switch.

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 Jeep Grand Cherokee intermittently start?

Intermittent starting, sometimes takes 20-100 (+) tries to turn key and get it to crank. If I was in a hurry or had a passenger, it seemed to know and would take 5+ minutes turning key before it would crank and start! I joked it gave me ‘car-ple tunnel!’

Why does my Jeep stall when I start the engine?

If it starts, the fuel pump is the problem. If not, the engine should be checked for spark. It could be a sensor or computer-related problem. To be absolutely sure, raise and support the back of the Jeep on jack stands, unless the height allows you to crawl under the back without raising it.

How to stop intermittent stalling after starting a car?

There should be one terminal with power. If not, there is a bad wire under the fuse block to the battery; it should have constant power at one terminal. Take off the air cleaner and hold the throttle plate open with your hand. Spray some carburetor cleaner into the throttle body. Try to start the car for 2 seconds.

Intermittent starting, sometimes takes 20-100 (+) tries to turn key and get it to crank. If I was in a hurry or had a passenger, it seemed to know and would take 5+ minutes turning key before it would crank and start! I joked it gave me ‘car-ple tunnel!’

How to troubleshoot a Jeep XJ Cherokee problem?

“If the power lock system is inoperative with either front door power lock switch, test the Passenger Door Module (PDM)…If the power lock system is inoperative with only the driver side front door power lock switch, test the Driver Door Module (DDM).” I can help you troubleshoot beyond these symptoms, too.

If it starts, the fuel pump is the problem. If not, the engine should be checked for spark. It could be a sensor or computer-related problem. To be absolutely sure, raise and support the back of the Jeep on jack stands, unless the height allows you to crawl under the back without raising it.

There should be one terminal with power. If not, there is a bad wire under the fuse block to the battery; it should have constant power at one terminal. Take off the air cleaner and hold the throttle plate open with your hand. Spray some carburetor cleaner into the throttle body. Try to start the car for 2 seconds.

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