Spark issue, home on a tilt tray.
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After leaving Fireball parked up while we were on holiday I took her out for a drive, but she didn't want to go home.
I had been out for a couple of short trips this morning and all was good. Third time out I drove about 10 km then stalled on an off ramp doing about 60 kph.
Fired back up then just ran rough and stalled again, no go after that. Called a tow truck because rain was too heavy to be playing around in a traffic lane.
Got her off the truck at home and fired up straight away, but died under load. Left it about 1/2 hour and started like normal, drove about 100 metres and did U turn and drove back to my drive where she died again.
Series 3 electronic ignition fitted.
Fuel pumps are working, strong yellow spark from what I can see from coil to dizzy(earthing to manifold stud), but no spark at end of plug leads. So spark going into dizzy but not back out again, rotor tested fine.
There is a pulse coming from the coil with a test light. Does that mean the ignition module appears to be ok?
If it is the dizzy cap or module, do you have part numbers in your head Grant? It is the screw on type, not the clip on type. Part number I have for dizzy is 45DM6(is what I wrote in my book when fitting the dizzy, I must have read it off the dizzy.) It came from Jagdaim labelled "Used S3 IGN Kit"
Dr Phill is coming to check it out tomorrow.
Last edited by o1xjr; 10-16-2017 at 02:53 AM.
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#3
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Hi Clarke,
I had a no start earlier this afternoon after some short trips.
Outside temp got to 28c in Melb!!
Engine cranked and caught but would die quickly and not run on.
I considered vapour lock, but turning igniton with selector in Reverse didn't fix it.
I popped the bonnet and let hot air out for 10 mins then retried to better effect. Got to where I was going, but it did dent my confidence for a bit.
Probably not the same issue as you, but you mentioned rough running? Dirty fuel?
Is the rotor arm clean?
Apart from the rain, was it humid and warm?
Dissy cap screw on blue is #JLM9528 although a newer # is AEU1502
Hope you get to the bottom of your issue quickly.
Cheers,
Nigel
I had a no start earlier this afternoon after some short trips.
Outside temp got to 28c in Melb!!
Engine cranked and caught but would die quickly and not run on.
I considered vapour lock, but turning igniton with selector in Reverse didn't fix it.
I popped the bonnet and let hot air out for 10 mins then retried to better effect. Got to where I was going, but it did dent my confidence for a bit.
Probably not the same issue as you, but you mentioned rough running? Dirty fuel?
Is the rotor arm clean?
Apart from the rain, was it humid and warm?
Dissy cap screw on blue is #JLM9528 although a newer # is AEU1502
Hope you get to the bottom of your issue quickly.
Cheers,
Nigel
#4
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I considered vapour lock, but turning igniton with selector in Reverse didn't fix it.
Got to where I was going, but it did dent my confidence for a bit.
Probably not the same issue as you, but you mentioned rough running? Dirty fuel?
Is the rotor arm clean?
Dissy cap screw on blue is #JLM9528 although a newer # is AEU1502
Hope you get to the bottom of your issue quickly.
Cheers,
Nigel
Got to where I was going, but it did dent my confidence for a bit.
Probably not the same issue as you, but you mentioned rough running? Dirty fuel?
Is the rotor arm clean?
Dissy cap screw on blue is #JLM9528 although a newer # is AEU1502
Hope you get to the bottom of your issue quickly.
Cheers,
Nigel
As for confidence in it, if It fired right now I would drive it to Melbourne without batting an eye lid.
Thanks for the part numbers, just thinking ahead there to save searching for them before I go looking for them if needed. Numbers now written in my big blue book of info.
![Spark issue, home on a tilt tray.-dsc_0970.jpg](https://www.jaguarforums.com/forum/attachments/xj6-xj12-series-i-ii-iii-16/204286d1508145950t-spark-issue-home-tilt-tray-dsc_0970.jpg)
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Last edited by o1xjr; 10-16-2017 at 04:26 AM.
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#5
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That sucks.
Clearly Fireball wanted to go to Fiji, and you said NO, ha.
The cap is GL838
Rotor is GL803.
The carbon brush and spring is a Holden Part, and I cannot find the number at the moment, it will be somewhere.
I reckon moisture also, BUT that carbon brush can go AWOL, mostly the 12 not the 6, but stuff happens sometimes.
The fact you have spark, indicates the module is doing its thing, but that coil lead spark should be a Blue cracker, maybe the coil is iffy????
I use Fuelmiser CC215 for them and the 12.
Clearly Fireball wanted to go to Fiji, and you said NO, ha.
The cap is GL838
Rotor is GL803.
The carbon brush and spring is a Holden Part, and I cannot find the number at the moment, it will be somewhere.
I reckon moisture also, BUT that carbon brush can go AWOL, mostly the 12 not the 6, but stuff happens sometimes.
The fact you have spark, indicates the module is doing its thing, but that coil lead spark should be a Blue cracker, maybe the coil is iffy????
I use Fuelmiser CC215 for them and the 12.
#6
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Hi Clarke & Grant.
I know I'm coming at this late, but the instant I read your comment of a "strong yellow spark", I also smelled trouble. As Grant says, this should be have a definite blue quality and have a real "crack" to it. Were this an original XK ignition, I would go straight for the dizzy's condenser (capacitor) but on the Series3 system, it's logical to suspect the coil, as Grant suggests.
If you are unsure of moisture inside (or over the outside!) dizzy cap, you could try applying some warm air (not hot) from a heat gun or some "moisture eater" in a can.
If it's now all working fine, try using water in a spray atomiser over coil, then cap, to see if either provokes reappearance of the failure . . . at least then you know where to focus.
Best wishes Clarke and keep us posted,
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Ken
I know I'm coming at this late, but the instant I read your comment of a "strong yellow spark", I also smelled trouble. As Grant says, this should be have a definite blue quality and have a real "crack" to it. Were this an original XK ignition, I would go straight for the dizzy's condenser (capacitor) but on the Series3 system, it's logical to suspect the coil, as Grant suggests.
If you are unsure of moisture inside (or over the outside!) dizzy cap, you could try applying some warm air (not hot) from a heat gun or some "moisture eater" in a can.
If it's now all working fine, try using water in a spray atomiser over coil, then cap, to see if either provokes reappearance of the failure . . . at least then you know where to focus.
Best wishes Clarke and keep us posted,
![Icon Toast](https://www.jaguarforums.com/forum/images/smilies/icon_toast.gif)
Ken
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#8
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Thanks for the input guys, we will be looking at it later today.
Grant, from what I have googled the GL part numbers are for a Bosch Distributor with a clip on cap.
![Spark issue, home on a tilt tray.-bosch-gasoline-f005x04662-1.jpg](https://www.jaguarforums.com/forum/attachments/xj6-xj12-series-i-ii-iii-16/204302d1508188341t-spark-issue-home-tilt-tray-bosch-gasoline-f005x04662-1.jpg)
I have a Lucas 45DM6 distributor, it looks like there are three part numbers for that cap
JLM9528, AEU1502 & DDB152, googled them all and they look like mine.
Grant, from what I have googled the GL part numbers are for a Bosch Distributor with a clip on cap.
![Spark issue, home on a tilt tray.-bosch-gasoline-f005x04662-1.jpg](https://www.jaguarforums.com/forum/attachments/xj6-xj12-series-i-ii-iii-16/204302d1508188341t-spark-issue-home-tilt-tray-bosch-gasoline-f005x04662-1.jpg)
I have a Lucas 45DM6 distributor, it looks like there are three part numbers for that cap
JLM9528, AEU1502 & DDB152, googled them all and they look like mine.
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Last edited by o1xjr; 10-16-2017 at 04:16 PM.
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Thanks for the input guys, we will be looking at it later today.
Grant, from what I have googled the GL part numbers are for a Bosch Distributor with a clip on cap.
Attachment 204302
I have a Lucas 45DM6 distributor, it looks like there are three part numbers for that cap
JLM9528, AEU1502 & DDB152, googled them all and they look like mine.
Attachment 204303
Grant, from what I have googled the GL part numbers are for a Bosch Distributor with a clip on cap.
Attachment 204302
I have a Lucas 45DM6 distributor, it looks like there are three part numbers for that cap
JLM9528, AEU1502 & DDB152, googled them all and they look like mine.
Attachment 204303
My other cats dont even show a number for the S3, just a blank, so maybe Bosch are wrong, AGAIN.
The "GL" is for Lucas, as in GB is Bosch, GD is Denso etc etc.
Go with your snaps/google, it will be safer.
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The one Jagdaim have is the blue screw on type.
Last edited by o1xjr; 10-17-2017 at 02:40 AM.
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Dr Phill and his diagnostic skills to the rescue. I had a weak spark at the plugs but making the leads fit cap a bit tighter sorted that. But still no go.
It turned out to be no power to the fuel pumps, but when I checked that yesterday I was sure I could hear them running.
Anyway, Phill jumped the pump from the battery and and we got the car up the drive out of the rain to find the problem.
Phill traced it back to the changeover switch in the dash, so we popped it out and swapped for the one from my spare instrument panel. All good.
So I now have all the part numbers on hand if I do run into an ignition problem in the future.
It turned out to be no power to the fuel pumps, but when I checked that yesterday I was sure I could hear them running.
Anyway, Phill jumped the pump from the battery and and we got the car up the drive out of the rain to find the problem.
Phill traced it back to the changeover switch in the dash, so we popped it out and swapped for the one from my spare instrument panel. All good.
So I now have all the part numbers on hand if I do run into an ignition problem in the future.
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#17
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Jagdaim have them in stock if I need one, should know more after some testing later today.
Grant, pic below of the GL838
Attachment 204323
Grant, pic below of the GL838
Attachment 204323
Been thinking all day about that snap you showed earlier.
I was productive whilst doing said thinking, spraying POISON. Waaaay to many creepy, crawly, slithering and sliding Aussie gate crashers for our liking. They now be DEAD.
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