Petrol Non Starter

kiwi · Post by **kiwi** » Thu Mar 21, 2013 12:05 am

After putting the BX 19TRS back together after a year off road she had been running fine until couple road tests and the day of its WOF (MOT).

Basically I gave it a run of 30 km round trip and experianced no problems. Started fine in fact better than before as a result of a carb change. Now on D day (wof day), first thing she did was stall about 500 metres up the road in a dip and would not restart so gave here a tow start.

Run fine according to the missus (I was in another car with other issues) when we got to the garage I noted an overflow of coolant on the floor.

When we went to restart it after about 30 minutes whilst the other car was being tested it would not start, so gave it a tow start again but nothing happened. So there went the WOF test (non event. We towed the car home and through some fluke as I sussed using the gears it could get pressure into the suspension she started again. It ran for the 10kms home but when I parked in the garage, the oil level warning gauge illuminated briefly and then she just turned herself off (stalled). She would not start again even after leaving overnight (a cold night) she wont start again.

One thing we did not was no spark when tested a 5th spark plug connected to the 4th lead. I swapped the moodule for one I know was working and even the colil yet still no spark.

Ideas anyone? Cambelt is ok btw.

kiwi · Post by **kiwi** » Thu Mar 21, 2013 11:16 pm

So what I have tried so far is!

Swaped the distributor over with working one from another vehicle

Swaped out ignition coil (thats the square type ones bolted to the inlet manifold)

Tested both of these on the other vehicle and not them at fault.

So I am stumped!

citronut · Post by **citronut** » Fri Mar 22, 2013 8:26 am

is there 12v to the live feed of the coil with ignition switched on, have you checked the large plug connector under the battery tray,

regards malcolm

Mickey taker · Post by **Mickey taker** » Fri Mar 22, 2013 8:30 am

check the basics ,Leads, plugs, fuel filter ,earth points,is fuel getting through

kiwi · Post by **kiwi** » Fri Mar 22, 2013 11:09 pm

I think I have isolated the location or route of the problem.

Fuse Box Check!

F1 fuse is ok but just to be safe replaced it with another and yes another to check it was ok. This seems to be the path of the problem why?

F1 covers the reversing lights whenI put the ignition switch on they do not light up. I checked the bulbs and swaped with working ones they are fine. One the other checkable items was the engine oil gauge, this does not illuminate or move when the ignition switched on on other thing it covers is the Idle Cut off. I am thinking not power to idle cut off means no start?

So its somewhere in the path that comes from that particuler fuse I assume? Hope thats going to help in diagnosis.

citronut · Post by **citronut** » Sat Mar 23, 2013 10:15 am

i thought you said there was not spark/HT

,

if your solenoid shut off is not powered up, an easy thing to try would be run a fly lead straight to it from the +positive poll of the battery

regards malcolm

kiwi · Post by **kiwi** » Sat Mar 23, 2013 8:13 pm

citronut wrote:i thought you said there was not spark/HT ,

if your solenoid shut off is not powered up, an easy thing to try would be run a fly lead straight to it from the +positive poll of the battery

regards malcolm

I am trying the elimination battle, not easy I may be barking up the wroing tree but this is what I had discovered. How that relates to no spark I have no idea or can find the information I need so am asking these questions. If there was an easy solution it would be to tow the car into the nearest auto electrician some 20kms away but I dont relish that task.

At this stage will try any suggestions that gets the car running.

Back of my mind I am wondering if a rodent has not interfered with the wiring behind the dash or if I dislodged a connctor on the loom when I replaced the glovebox. Thtas a nother stage investigation. For a car thats been sitting around for 18 months little usage the two 30km trips it done was a major outing, one those trips over section of rough unsealed road so could in theory dislodged something.

Extreme will be to swap out the entire wiring loom of the TZS being dimantled...lol

citronut · Post by **citronut** » Sat Mar 23, 2013 8:28 pm

then check one thing at a time and be sure its doing what its meant to be doing,

try a fly lead to the shut off valve firstly, then if that fails try one to the live feed of the coil

regards malcolm

kiwi · Post by **kiwi** » Sat Mar 23, 2013 11:45 pm

Going to edit my reply now.

Genius shear genius

I connected the live terminal of the battery direct to the solenoid on the carb and you could hear the thinking activating. So jumped in the car hit the on switch noticed the Oil Guage light up and she fired up and run. Even got the reverse lights back

Now during this start up the wire fell off the live terminal so no direct feed but the car is starting fine now.

Ok so now got myself the question of why? and will it again? and hows the solenoid connected to the fault apparent from that F1 circuit to the fuse?

So now to book it back in for its WOF and in my spares kit is now a length of cable

Thanks for that

kiwi · Post by **kiwi** » Tue Mar 26, 2013 2:20 am

Did I say fixed?

Started her up today pulled backwards out the back garage with bit manauvering (large Garage (fits 4 BXs). Then it just died! Same symptoms as before. Non Oil gauge, no reverse lights and no start. The previous trick no result.

This got me foxed got the fuse box of its hinge to look for any issues that end but to be honest not sure what to look for. Short of re wiring the whole car.

citsncycles · Post by **citsncycles** » Tue Mar 26, 2013 12:39 pm

If the fuse box is checking out, it sounds like either a plug in the loom needs cleaning up or there's a failed wire somewhere in the loom, probably by a clip or where it passes through a hole somewhere. I'm afraid you're down to tracing back through the system to find the fault.

citronut · Post by **citronut** » Tue Mar 26, 2013 8:32 pm

maybe the large plug connector under the battery tray needs cleaning up

regards malcolm

kiwi · Post by **kiwi** » Sun Mar 31, 2013 11:28 pm

Tried that no luck.

But weird thing is this seems to not be a permanant problem.....hard to describe. Yesterday got in it to show a friend the problem and Oil Guage lights up, reverse lights on so go to start and would not fire. Tried again and back to square one. Couple tries later lights are on but it couldnt get it started. It like there is a loose connection but where. Although a theory is maybe the ignition switch? Not sure about that as everything else controlled by the key works.

citronut · Post by **citronut** » Mon Apr 01, 2013 12:15 pm

certainly sounds like ignition swutch contacts to me,

i would dismantle the switch clean the contacts and put it back together

regards malcolm

kiwi · Post by **kiwi** » Mon Apr 01, 2013 9:09 pm

I think....because said it before this is it.

Wriggling around those two ignition wiring block connectors under the centre console. Things happened. Seems to be the white block connector has a connection problem. Probably the result of being manhandled a few times.

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