Mechanics

CAR WON'T START?

1985 Jaguar XJ6

1985 Jaguar XJ6 V8 Two Wheel Drive Automatic

I am trying to start a jaguar/1985/j6 series 3?
I'm getting the vehicle from someone who's let it sit for
a year, hovever thay advise never having problems with
it stating before. I know the battery is good, the engine
cranks good, confirming that the starter is good, but it
will not turn over. I'm not sure how to check rather the
engine is getting fuel, I'm not sure how to check the
ignition system to confirm proper spark. I've worked on
cars a little maybe a starter, or altanator, or belt, Yet i'm
by far no pro. I'll be honest, PLEASE HELP
Avatar
Cheek
July 1, 2010.




Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it

If both fuel and spark is present-check the valve and ignition timing, this will lead you to problems
with compression and valves opening and closing at the wrong time/broken or jumped timing
belt/chain

Rasmataz
Jul 2, 2010.


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